Using Voltmeter Or ABS Warning Light
- Perform ABS bulb check. See ABS WARNING LIGHT CHECK . If ABS warning light does not operate as described, go to appropriate test under TROUBLE SHOOTING . If ABS warning light is okay, go to next step.
- Turn ignition off. Locate diagnostic connectors No. 1 and 2 in engine compartment fuse/relay block. Using a jumper wire, connect diagnostic connector No. 2 diagnostic switch terminal (Violet wire) to diagnostic connector No. 1 ground terminal. See Fig 1 .
- If using an analog voltmeter, connect negative voltmeter probe to diagnostic connector No. 2 diagnostic output terminal (Gray/Red wire) and positive voltmeter probe to battery positive terminal. See Fig 1 . Turn ignition on. Watch voltmeter for needle deflection and count needle sweeps. If using ABS warning light, read and record flashes of ABS warning light. See Fig 2 . Each DTC is repeated 3 times.
- If a fault is indicated, go to appropriate DTC circuit test. See ABS DIAGNOSTIC TROUBLE CODE INDEX
table. If no DTCs are output, go to TEST D: NO OUTPUT FROM DIAGNOSTIC CONNECTOR
under TROUBLE SHOOTING. After recording all DTCs, turn ignition off and remove jumper wire. Disconnect analog voltmeter probes, if used.ABS DIAGNOSTIC TROUBLE CODE INDEX
DTC Circuit Affected 12 (1) System Okay (No Fault Detected) 15 "G" Sensor Circuit Or ABS Control Module Fault 18 Wheel Speed Sensor Or Rotor, Or ABS Hydraulic Unit 21 Or 22 Right Front Wheel Speed Sensor Circuit Or Rotor 25 Or 26 Left Front Wheel Speed Sensor Circuit Or Rotor 31 Or 32 Right Rear Wheel Speed Sensor Circuit Or Rotor 35 Or 36 Left Rear Wheel Speed Sensor Circuit Or Rotor 41 Right Front Hydraulic Solenoid 45 Left Front Hydraulic Solenoid 51 Right Rear Hydraulic Solenoid 55 Left Rear Hydraulic Solenoid 57 Solenoid & Pump Motor Power Circuit 61 ABS Pump Motor Circuit 63 ABS Fail-Safe Relay Circuit 71 ABS Control Module Internal Malfunction (1) Scan tool may display NO CODES. See scan tool operator's manual for specific information.