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• MODEL SELECTION INDEX
• MY 2005 WL Series - Service Information
• Section 6C1-2Engine Management – V6 – Diagnostics
  • 1 General Information
    • 1.1 Diagnostic System Check
    • 1.2 Diagnostic Trouble Code Tables
      • Multiple DTC Fault Conditions
    • 1.3 Symptoms Diagnostics
    • 1.4 Diagnostic Trouble Codes
      • Type A – Emission Related DTCs
      • Type B – Emission Related DTCs
        • Conditions for Clearing Type A or Type B DTCs
      • Type C – Non-Emission Related DTCs
        • Conditions for Clearing Type C DTCs
      • Current DTCs
      • History DTCs
  • 2 Wiring Diagrams and Connector Charts
    • 2.1 Wiring Diagrams
      • Power Distribution
      • Generator, Cooling Fans and A/C
      • Sensors
      • Sensors and Throttle Control
      • Camshaft Control
      • Heated Oxygen Sensors
      • Fuel Injectors
      • Ignition Coils
    • 2.2 Connector Chart
  • 3 Diagnostics Starting Point
    • 3.1 Basic Requirements
      • Basic Knowledge Required
      • Basic Tools Required
    • 3.2 Diagnostic Precautions
    • 3.3 Preliminary Checks
    • 3.4 Diagnostic System Check
      • Description
      • Test Description
  • 4 Symptoms Diagnostics
    • 4.1 Symptoms Diagnosis Table
    • 4.2 Intermittent Fault Conditions
      • Description
      • Diagnostic Table
    • 4.3 Backfire
      • Description
    • 4.4 Cranks But Does Not Run
      • Definition
    • 4.5 Cuts Out, Misses
      • Description
    • 4.6 Detonation/Spark Knock
      • Description
    • 4.7 Dieseling, Run-on
      • Description
    • 4.8 Hard Start
      • Definition
    • 4.9 Hesitation, Sag and Stumble
      • Description
    • 4.10 Lack of Power, Sluggishness or Sponginess
      • Description
    • 4.11 Poor Fuel Economy
      • Description
    • 4.12 Rough, Unstable, Incorrect Idle or Stalling
      • Description
    • 4.13 Surges / Chuggles
      • Description
  • 5 Diagnostic Trouble Code Tables
    • 5.1 DTC List
    • 5.2 DTC P0219 Engine Overspeed Condition
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0219 Diagnostic Table
    • 5.3 DTC P0645 to P0647 – A/C Relay Control Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • Conditions for Setting DTC P0645
        • Conditions for Setting DTC P0646
        • Conditions for Setting DTC P0647
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0645 to P0647 Diagnostic Table
    • 5.4 DTC P0532 and P0533 – A/C Refrigerant Pressure Sensor Ci
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0532
        • DTC P0533
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0532 and P0533 Diagnostic Table
    • 5.5 DTC P2122, P2123, P2127, P2128 and P2138 – APP Sensor Ci
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P2122
        • DTC P2123
        • DTC P2127
        • DTC P2128
        • DTC P2138
      • Conditions for Clearing DTC
      • Test Description
      • DTC P2122, P2123, P2127, P2128 and P2138 Diagnostic Table
    • 5.6 DTC P2227 to P2229 – Barometric Pressure Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P2227
        • DTC P2228 and P2229
      • Conditions for Setting the DTC
        • DTC P2227
        • DTC P2228
        • DTC P2229
      • Conditions for Clearing DTC
      • Test Description
      • DTC P2227 to P2229 Diagnostic Table
    • 5.7 DTC P0504 Brake Switch Circuit Malfunction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0504 Diagnostic Table
    • 5.8 DTC P0008, P0009, P0016 to P0019 – CKP / CMP Position Co
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0008 or P0009
        • DTC P0016, P0017, P0018 or P0019
      • Conditions for Setting the DTC
        • DTC P0008
        • DTC P0009
        • DTC P0016, P0017, P0018 or P0019
      • Conditions for Clearing DTC
      • Test Description
      • DTC P0008, P0009, P0016 to P0019 Diagnostic Table
    • 5.9 DTC P0335 to P0338 – Crankshaft Position Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0335
        • DTC P0336
        • DTC P0337 and P0338
      • Conditions for Setting the DTC
        • DTC P0335
        • DTC P0336
        • DTC P0337
        • DTC P0338
      • Conditions for Clearing DTC
      • Test Description
      • DTC P0335 to P0338 Diagnostic Table
    • 5.10 DTC P0010, P0013, P0020, P0023, P2088 to P2095 – Camsha
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0010, P0013, P0020, P0023, P2088, P2090, P2092 or P2094
        • DTC P2089, P2091, P2093, or P2095
      • Conditions for Setting the DTC
        • DTC P0010, P0013, P0020 or P0023
        • DTC P2088, P2090, P2092 or P2094
        • DTC P2089, P2091, P2093 or P2095
      • Conditions for Clearing DTC
      • Test Description
      • DTC P0010, P0013, P0020, P0023, P2088 to P2095 Diagnostic Ta
    • 5.11 DTC P0341 to P0343, P0346 to P0348, P0366 to P0368, P03
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0342 or P0347
        • DTC P0367 or P0392
        • DTC P0341, P0346, P0366 or P0391
        • DTC P0343 or P0348
        • DTC P0368 or P0393
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0341 to P0343, P0346 to P0348, P0366 to P0368, P0391 to
    • 5.12 DTC P0011, P0014, P0021, P0024, P1011 to P1014 – Camsha
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0011, P0014, P0021 and P0024
        • DTC P1011, P1012, P1013 and P1014
      • Conditions for Setting the DTC
        • DTC P0011, P0014, P0021 or P0024
        • DTC P1011, P1012, P1013 and P1014
      • Conditions for Clearing DTC
        • DTC P0011, P0014, P0021 and P0024
        • DTC P1011, P1012, P1013 and P1014
      • Test Description
      • DTC P0011, P0014, P0021, P0024, P1011 to P1014 Diagnostic Ta
    • 5.13 DTC P0480, P0481, P0691 to P0694 – Cooling Fan Relay Co
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0480
        • DTC P0481
        • DTC P0691
        • DTC P0692
        • DTC P0693
        • DTC P0694
      • Conditions for Clearing DTC
      • DTC P0480, P0481, P0691 to P0694 Diagnostic Table
    • 5.14 DTC P0601, P0602, P0604 and P0606 – ECM Internal Circui
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0601
        • DTC P0602 and P0606
        • DTC P0604
      • Conditions for Setting the DTC
        • DTC P0601
        • DTC P0602
        • DTC P0604
        • DTC P0606
      • Conditions for Clearing the DTC
      • DTC P0601, P0602, P0604 and P0606 Diagnostic Table
    • 5.15 DTC P0116, P0117, P0118, P0125 and P1258 – Engine Coola
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0116
        • DTC P0117, P0118 and P1258
        • DTC P00125
      • Conditions for Setting the DTC
        • DTC P0116
        • DTC P0117
        • DTC P0118
        • DTC P0125
        • DTC P1258
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0116, P0117, P0118, P0125 and P1258 Diagnostic Table
    • 5.16 DTC P0560, P0562 and P0563 Engine Control Module System
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0560
        • DTC P0562
        • DTC P0563
      • Conditions for Clearing the DTC
      • DTC P0560, P0562 and P0563 Diagnostic Table
    • 5.17 DTC P0685 to P0687 – Engine Control Relay Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0685 to P0687 Diagnostic Table
    • 5.18 DTC P1845 – Engine Torque Reduction Malfunction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P1845 Diagnostic Table
    • 5.19 P0521 to P0523 – Engine Oil Pressure Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • P0521
        • P0522
        • P0523
      • Conditions for Clearing DTC
      • Test Description
      • P0521 to P0523 Diagnostic Table
    • 5.20 DTC P0196, P0197 and P0198 – Engine Oil Temperature Sen
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0196
        • DTC P0197
        • DTC P0198
      • Conditions for Clearing DTC
      • Test Description
      • DTC P0196, P0197 and P0198 Diagnostic Table
    • 5.21 DTC P0443, P0458 and P0459 – Evaporative Emission Purge
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0443 and P0458
        • DTC P0459
      • Conditions for Setting the DTC
        • DTC P0443
        • DTC P0458
        • DTC P0459
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0443, P0458 and P0459 Diagnostic Table
    • 5.22 DTC P0627 to P0629 – Fuel Pump Relay Control Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0627 to P0629 Diagnostic Table
    • 5.23 DTC P0201 to P0206, P0261, P0262, P0264, P0265, P0267,
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0201,P0202, P0203, P0204, P0205 or P0206
        • DTC P0261, P0264, P0267, P0270, P0273 and P0276
        • DTC P0262, P0265, P0268, P0271, P0274 and P0277
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0201 to P0206, P0261, P0262, P0264, P0265, P0267, P0268
    • 5.24 DTC P0625 and P0626 – Generator F-Terminal Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0625
        • DTC P0626
      • Conditions for Setting the DTC
        • DTC P0625
        • DTC P0626
      • Conditions for Clearing DTC
      • DTC P0625 and P0626 Diagnostic Table
    • 5.25 DTC P1668, P2500 and P2501 – Generator L Terminal Circu
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P1668
        • DTC P2500
        • DTC P2501
      • Conditions for Setting the DTC
        • DTC P1668
        • DTC P2500
        • DTC P2501
      • Conditions for Clearing DTC
      • DTC P1668, P2500 and P2501 Diagnostic Table
    • 5.26 DTC P0112 and P0113 – Intake Air Temperature Sensor Cir
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0112
        • DTC P0113
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0112 and P0113 Diagnostic Table
    • 5.27 DTC P0351 to P0356, P2300, P2301, P2303, P2304, P2306,
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0351, P0352, P0353, P0354, P0355 or P0356
        • DTC P2300, P2303, P2306, P2309, P2312 or P2315
        • DTC P2301, P2304, P2307, P2310, P2313 and P2316
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0351 to P0356, P2300, P2301, P2303, P2304, P2306, P2307
    • 5.28 DTC P0513, P0633, P1629, P1632, P1677, P1678 and P1679
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • P0513
        • P0633
        • P1629
        • P1632
        • P1677
        • P1678
        • P1679
      • Conditions for Clearing the DTC
      • DTC P0513, P1629, P1632, P0633, P1677, P1678, P1679 Diagnost
    • 5.29 DTC P1648 – Wrong Security Code Entered
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Action Taken When the DTC Sets
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P1648 Diagnostic Table
    • 5.30 DTC P0327, P0328, P0332 and P0333 – Knock Sensor Circui
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0327 and P0332
        • DTC P0328 or P0333
      • Conditions for Setting the DTC
        • DTC P0327 and P0332
        • DTC P0328 and P0333
      • Conditions for Clearing DTC
      • Test Description
      • DTC P0327, P0328, P0332 and P0333 Diagnostic Table
    • 5.31 DTC P0324 – Knock Sensor Module Performance
      • DTC Description
      • Circuit Description
        • Test One
        • Test Two
        • Test Three
      • Additional Information
      • Conditions for Running the DTC
        • Condition One
        • Condition Two
        • Condition Three
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0324 Diagnostic Table
    • 5.32 DTC P0101 to P0103 – MAF Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0101
        • DTC P0102
        • DTC P0103
      • Conditions for Setting the DTC
        • DTC P0101
        • DTC P0102
        • DTC P0103
      • DTC P0101 to P0103 Diagnostic Table
    • 5.33 DTC P0030 to P0032, P0036 to P0038, P0050 to P0052 and
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0030, P0036, P0050 or P0056
        • DTC P0031, P0037, P0051 or P0057
        • DTC P0032, P0038, P0052 or P0058
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0030 to P0032, P0036 to P0038, P0050 to P0052 and P0056
    • 5.34 DTC P0130 to P0132, P0135, P0137, P0138, P0140, P0141,
      • DTC Description
      • Circuit Description
        • O2 Sensor 1
        • O2 Sensor 2
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0130, P0131, P0132, P0137, P0138, P0140, P0150, P0151 o
        • DTC P0135 and P0155
        • DTC P0137 and P0157
        • DTC P0138 and P0158
        • DTC P0140 and P0160
        • DTC P0141 and P0161
        • DTC P2243 and P2247
        • DTC P2270 and P2272
        • DTC P2297 and P2298
      • Conditions for Setting the DTC
        • DTC P0130 and P0150
        • DTC P0131 and P0151
        • DTC P0132 and P0152
        • DTC P0135 and P0155
        • DTC P0137 and P0157
        • DTC P0138 and P0158
        • DTC P0140 and P0160
        • DTC P0141 and P0161
        • DTC P2243 and P2247
        • DTC P2270 and P2272
        • DTC P2271 and P2273
        • DTC P2297 and P2298
      • Conditions for Clearing the DTC
      • DTC P0130 to P0132, P0135 to P0138, P0140, P0141, P0150 to P
    • 5.35 DTC P2237 to P2242, P2626 and P2629 – O2 Sensor Pumping
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P2237, P2238, P2239, P2240, P2241 and P2242
        • DTC P2626 and P2629
      • Conditions for Setting the DTC
        • DTC P2237, P2238, P2239, P2240, P2241 or P2242
        • DTC P2626 or P2629
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P2237 to P2242, P2626 and P2629 Diagnostic Table
    • 5.36 DTC P0053 and P0059 – O2 Sensor Internal Heater Resista
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0053 and P0059 Diagnostic Table
    • 5.37 DTC P2231, P2232, P2234, P2235, P2251, P2254 – O2 Senso
      • DTC Description
      • Circuit Description
        • O2 Sensor 1
        • O2 Sensor 2
      • Additional Information
      • Conditions for Running the DTC
        • DTC P2231 or P2234
        • DTC P2232 and P2235
        • DTC P2251 and P2254
      • Conditions for Setting the DTC
        • DTC P2231 or P2234
        • DTC P2232 or P2235
        • DTC P2251 or P2254
      • Conditions for Clearing the DTC
      • DTC P2231, P2232, P2234, P2235, P2251, P2254 Diagnostic Tabl
    • 5.38 DTC P0040 and P0041 – O2 Sensor Signal Not Plausible Ba
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0040 and P0041 Diagnostic Table
    • 5.39 DTC P0850 – Park / Neutral Signal Circuit Incorrect Sig
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0850 Diagnostic Table
    • 5.40 DTC U0001 – No Communication with CAN Bus (High Speed)
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC U0001 Diagnostic Table
    • 5.41 DTC U0155 and U0423 – Serial Data Communication Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC U0155 and U0423 Diagnostic Table
    • 5.42 DTC P0864 and U0101 – Serial Data Communication Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0864 and U0101 Diagnostic Table
    • 5.43 DTC U0121 and U0415 Serial Data Communication Circuit,
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC U0121 and U0415 Diagnostic Table
    • 5.44 DTC P0615 to P0617 – Starter Relay Control Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0615 to P0617 Diagnostic Table
    • 5.45 DTC P2107 – Throttle Control Malfunction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P2107 Diagnostic Table
    • 5.46 DTC P2105 – Throttle Control Forced Engine Shutdown
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P2105 Diagnostic Table
    • 5.47 P0506, P0507, P0638, P1551, P2100, P2101, P2119 and P21
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0506 and P0507
        • DTC P0638
        • DTC P2100
        • DTC P2101
        • DTC P1551, P2119 and P2176
      • Conditions for Setting the DTC
        • DTC P0506
        • DTC P0507
        • DTC P0638
        • DTC P1551
        • DTC 2100
        • DTC P2101
        • DTC P2119
        • DTC P2176
      • Conditions for Clearing DTC
      • Test Description
      • P0506, P0507, P0638, P1551, P2100, P2101, P2119 and P2176 Di
    • 5.48 DTC P0700 – Malfunction Indicator Request from Transmis
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0700 Diagnostic Table
    • 5.49 DTC P0121 to P0123, P0221 to P0223 – Throttle Position
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0121
        • DTC P0122
        • DTC P0123
        • DTC P0221
        • DTC P0222
        • DTC P0223
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0121 to P0123, P0221 to P0223 Diagnostic Table
    • 5.50 DTC P0461 to P0463 – Fuel Level Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0461
        • DTC P0462
        • DTC P0463
      • Conditions for Clearing the DTC
      • DTC P0461, P0462 or P0463 Diagnostic Table
    • 5.51 DTC P2008, P2009 and P2010 – Intake Manifold Runner Con
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P2008, P2009 and P2010
      • Conditions for Setting the DTC
        • DTC P2008
        • DTC P2009
        • DTC P2010
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P2008, P2009 and P2010 Diagnostic Table
  • 6 Tech 2 Data Lists
    • 6.1 Data Display
    • 6.2 Actuator Tests List