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MODEL SELECTION INDEX
MY 2003 VY & V2 II SERIES - SERVICE INFORMATION
SECTION 2F HVAC OCCUPANT CLIMATE CONTROL (AUTO A/C) – DIAGNO
1. DIAGNOSTICS
1.1 TECH 2 DIAGNOSTICS
1.2 TECH 2 TEST MODES AND DISPLAYS FOR OCC DIAGNOSIS
2. DIAGNOSTIC CHARTS
CHART A – DIAGNOSTIC CIRCUIT CHECK
CHART B – OCC SYSTEM DOES NOT POWER UP
DTC 13 – AMBIENT TEMPERATURE SENSOR VOLTAGE TOO HIGH
DTC 14 – AMBIENT TEMPERATURE SENSOR VOLTAGE TOO LOW
DTC 15 – IN-CAR TEMPERATURE SENSOR VOLTAGE TOO HIGH
DTC 16 – IN-CAR TEMPERATURE SENSOR VOLTAGE TOO LOW
DTC 17 – EVAPORATIVE TEMPERATURE SENSOR VOLTAGE TOO HIGH (LH
DTC 17 – EVAPORATIVE TEMPERATURE SENSOR VOLTAGE TOO HIGH (RH
DTC 18 – EVAPORATIVE TEMPERATURE SENSOR VOLTAGE TOO LOW (LHD
DTC 18 – EVAPORATIVE TEMPERATURE SENSOR VOLTAGE TOO LOW (RHD)
DTC 19 – SUN LOAD SENSOR ERROR
DTC 35 – NO SERIAL DATA FROM PCM
DTC 36 – NO SERIAL DATA FROM BCM
DTC 37 – ROM CHECKSUM ERROR
DTC 38 – EEPROM CHECKSUM ERROR
DTC 39 – RAM ERROR
DTC 40 – AIR MIX DOOR MOTOR DRIVER ERROR (LHD)
DTC 40 – AIR MIX DOOR MOTOR DRIVER ERROR (RHD DRIVERS SIDE M
DTC 40 – AIR MIX DOOR MOTOR DRIVER ERROR (RHD PASSENGERS SID
DTC 41 – SOLENOID DRIVER ERROR – LHD
DTC 41 – SOLENOID DRIVER ERROR – RHD
DTC 43 – DRIVER’S AIR MIX DOOR MOTOR FEEDBACK CIRCUIT VOLTAG
DTC 43 – DRIVERS AIR MIX DOOR MOTOR FEEDBACK CIRCUIT VOLTAGE
DTC 44 – DRIVERS AIR MIX DOOR MOTOR FEEDBACK CIRCUIT VOLTAGE
DTC 44 – DRIVERS AIR MIX DOOR MOTOR FEEDBACK CIRCUIT VOLTAGE
DTC 45 – PASSENGERS AIR MIX DOOR MOTOR FEEDBACK CIRCUIT VOLT
DTC 46 – PASSENGERS AIR MIX DOOR MOTOR FEEDBACK CIRCUIT ZOLT
DTC 47 – DRIVER AIR MIX MIN. CALIBRATION ERROR (LHD)
DTC 47 – DRIVER AIR MIX MIN. CALIBRATION ERROR (RHD)
DTC 48 – DRIVER AIR MIX MAX. CALIBRATION ERROR (LHD)
DTC 48 – DRIVER AIR MIX MAX. CALIBRATION ERROR (RHD)
DTC 49 – PASS AIR MIX MIN. CALIBRATION ERROR
DTC 50 – PASS AIR MIX MAX. CALIBRATION ERROR
3. ELECTRICAL COMPONENT TESTS
3.1 IN CAR TEMPERATURE SENSOR
3.2 EVAPORATIVE TEMPERATURE SENSOR TEST
LEFT-HAND DRIVE
RIGHT-HAND DRIVE
3.3 AMBIENT TEMPERATURE SENSOR
3.4 OCC BLOWER MOTOR RESISTOR
LEFT-HAND DRIVE
RIGHT-HAND DRIVE
3.5 VACUUM SOLENOID PACK
LEFT-HAND DRIVE
RIGHT-HAND DRIVE
3.6 WATER VALVE VACUUM SWITCH VALVE
4. VACUUM RETENTION TESTS
VACUUM LOSS DEFAULT SETTINGS
4.1 VACUUM SOLENOID PACK
4.2 VACUUM ACTUATOR LINES
LEFT- HAND DRIVE
RIGHT- HAND DRIVE
4.3 VACUUM MANIFOLD LINE
LEFT-HAND DRIVE
RIGHT-HAND DRIVE
4.4 WATER VALVE VACUUM SWITCH
5. WIRING DIAGRAMS
CONNECTORS: OCC SYSTEM
CONNECTORS: OCC SYSTEM CONTINUED
CONNECTORS: OCC SYSTEM CONTINUED
WIRING DIAGRAM: OCC SYSTEM – V6 LHD
WIRING DIAGRAM: OCC SYSTEM – V6 RHD
WIRING DIAGRAM: OCC SYSTEM – GEN III V8 LHD
WIRING DIAGRAM: OCC SYSTEM – GEN III V8 RHD
6. SPECIAL TOOLS