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MODEL SELECTION INDEX
UES FRONTERA (2001-)
SECTION 5A - BRAKE CONTROL SYSTEM (MY2002)
Service Precaution
General Description
Functional Description
System Components
Electronic Hydraulic Control Unit (EHCU)
ABS Warning Lamp
Wheel Speed Sensor
GSensor
Brake Pedal Travel
Acronyms and Abbreviations
General Diagnosis
General Information
ABS Service Precautions
Computer System Service Precautions
General Service Precautions
Note on Intermittents
“ABS" Warning Lamp
Test Driving ABS Complaint Vehicles
Tech 2 Scan Tool
Using TECH 2 On The Vehicle
Chassis Application Menu - Antilock Braking System (ABS)
ABS TECH 2 Functions
Data List
Actuator Test
Procedure
Tech 2 Service Bleed
Basic Diagnostic Flow Chart
Basic Inspection Procedure
EHCU Connector Pinout Checks
Circuit Diagram
Connector List
Part Location
Symptom Diagnosis
Chart A1 ABS Operates Frequently But The Vehicle Does Not Decelerate
Chart TA1 ABS Operates Frequently But The Vehicle Does Not Decelerate (Use TECH 2)
Chart A2 Uneven Braking Occurs While ABS Operates
Chart TA2 Uneven Braking Occurs While ABS Operates (Use TECH 2)
Chart A3, TA3 The Wheels Are Locked During Braking
Chart A4 Abnormal Brake Pedal Feel
Chart A5, TA5 EHCU Is Heard Operating While Not Braking
Diagnostic Trouble Codes
Diagnosis By “ABS" Warning Lamp Illumination Pattern
Chart B1 Warning Lamp (W/L) is not activated when the ignition is first turned ON .
Chart B2 CPU Error (DTC C0271, C0272, C0273, C0284)
Chart B3 Low or High Ignition Voltage (DTC C0277, 0278 )
Chart B4 Excessive Dump Time (DTC C0269)
Chart B5 Excessive Isolation Time (DTC C0274)
Chart B6 GSensor Output Failure (DTC C0276 )
Chart B7 Brake Switch Failure (DTC C0281)
Chart B8 4WD/TOD Control Unit Failure( DTC C0285), 4WD State Input Signal Failure (DTC C0282)
Chart B9 Pump Motor Failure (DTC C0267, C0268)
Chart B10 EHCU Valve Relay Failure (DTC C0265, C0266 )
Chart B11 FL Isolation Solenoid Coil Failure (DTC 41 C0245, C0247)
Chart B12 FL Dump Solenoid Coil Failure (DTC C0246, C0248)
Chart B13 FR Isolation Solenoid Coil Failure (DTC C0241, C0243 )
Chart B14 FR Dump Solenoid Coil Failure (DTC C0242, C0244)
Chart B15 Rear Isolation Solenoid Coil Failure (DTC C0251, C0253)
Chart B16 Rear Dump Solenoid Coil Failure (DTC C0252, C0254)
Chart B17 FL Speed Sensor Open or Shorted (DTC C0225)
Chart B18 FR Speed Sensor Open or Shorted (DTC C0221
Chart B19 Rear Speed Sensor Open or Shorted (DTC C0235)
Chart B20 FL Speed Sensor Signal Missing (DTC C0226, C0227)
Chart B21 FR Speed Sensor Signal Missing (DTC C0222, C0223)
Chart B22 Rear Speed Sensor Signal Missing (DTC C0236, C0237)
Chart B23 Simultaneous Dropout of Front Speed Sensor Signal (DTC C0229)
Chart B24 Abnormal Wheel Speed Input (DTC C0238)
Chart B25 Abnormal TOD Signal (DTC C0287)
Unit Inspection Procedure
Chart C11 FL Sensor Output Inspection Procedure
Chart C12 FR Sensor Output Inspection Procedure
Chart C13 Rear Sensor Output Inspection Procedure
Chart TC1 Sensor Output Inspection Procedure
Special Tools
