Anti-Lock Brake System - 4WAL
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- General Electrical Diagnosis Procedures
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Anti-lock Brake System
- Diagnostic System Check - ABS
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC C1212: Class 2 Communication Circuit Short To Ground
- DTC C1213: Class 2 Communication Circuit Short To Battery
- DTC C1214: Solenoid Relay Contacts Or Coil Open
- DTC C1215: Electronic Brake Control Relay Contact Circuit Always Active
- DTC C1217: Pump Motor Shorted To Ground
- DTC C1218: Pump Motor Circuit Shorted To Voltage Or Motor Ground Open
- DTC C1221: LF Wheel Speed Sensor Input Signal Is 0; C1222: RF Wheel Speed Sensor Input Signal Is 0; C1223: LR Wheel Speed Sensor Input Signal Is 0; C1224: RR Wheel Speed Sensor Input Signal Is 0; C1225: LF Excessive Wheel Speed Variation; C1226: RF Excessive Wheel Speed Variation; C1227: LR Excessive Wheel Speed Variation; C1228: RR Excessive Wheel Speed Variation; C1232: LF Wheel Speed Circuit Open Or Shorted; C1233: RF Wheel Speed Circuit Open Or Shorted; C1234: LR Wheel Speed Circuit Open Or Shorted; C1235: RR Wheel Speed Circuit Open Or Shorted
- DTC C1236: Low System Supply Voltage
- DTC C1237: High System Supply Voltage
- DTC C1242: Pump Motor Circuit Open; C1243: BPMV Pump Motor Stalled
- DTC C1254: Abnormal Shutdown Detected
- DTC C1255: EBCM Internal Malfunction; C1256: EBCM Internal Malfunction
- DTC C1257: Left Front Abs Motor Circuit Shorted To Ground
- DTC C1258: Left Front Abs Motor Circuit Shorted To Voltage
- DTC C1261: LF Inlet Valve Solenoid Malfunction; C1262: LF Outlet Valve Solenoid Malfunction; C1263: RF Inlet Valve Solenoid Malfunction; C1264: RF Outlet Valve Solenoid Malfunction; C1265: LR Inlet Valve Solenoid Malfunction; C1266: LR Outlet Valve Solenoid Malfunction; C1267: RR Inlet Valve Solenoid Malfunction; C1268: RR Outlet Valve Solenoid Malfunction
- DTC C1295: Brake Lamp Switch Circuit Open
- Symptoms - Anti-Lock Brake System
- ABS Indicator Always On
- ABS Indicator Inoperative
- Repair Instructions
- ABS Automated Bleed Procedure
- Electronic Brake Control Module (EBCM) Replacement
- Brake Pressure Modulator Valve (BPMV) Replacement
- Brake Pressure Modulator Valve (BPMV) Bracket Replacement
- Wheel Speed Sensor Replacement - Front
- Wheel Speed Sensor Replacement - Rear
- Wheel Speed Sensor Ring Replacement - Front
- Wheel Speed Sensor Ring Replacement - Rear
- Lamp Driver Module Replacement
- Lateral Accelerometer Replacement
- 4WD Switch Replacement
- Description and Operation
- ABS Description and Operation
- Notes
- Brake Pressure Modulator Valve (BPMV)
- Electronic Brake Control Module (EBCM)
- Vent Tube
- Lamp Driver Module (LDM)
- Front Wheel Speed Sensors and Rings
- Rear Wheel Speed Sensors and Rings
- Electronic Brake Control Relay
- Brake Fluid Level Indicator Sensor
- Accelerometer (4WD Vehicles Only)
- Four-Wheel Drive Switch (4WD Vehicles Only)
- Idle-Up Circuit (4WD Vehicles Only)
- Wiring Harness
- Warning Indicators
- Fuses
- Normal Braking Mode
- Anti-lock Braking Mode
- Pressure Hold
- Pressure Decrease
- Pressure Increase
- System - Self Test (Initialization)
- Normal/Indicator System Operation
- Tires and ABS
- ABS Description and Operation
- Special Tools and Equipment