ABS Indicator Does Not Come on
ABS indicator does not come on1. Turn the ignition switch ON (II), and watch the ABS indicator.
Does the ABS indicator come on?
YES - The system is OK at this time.
NO - Go to step 2.
2. Apply the parking brake.
Does the brake system indicator come on?
YES - Go to step 3.
NO - Repair open in the indicator power source circuit. If necessary, substitute a known-good gauge assembly, and recheck.
3. Turn the ignition switch OFF.
4. Disconnect the ABS control unit 31P connector.
5. Turn the ignition switch ON (II).
Does the ABS indicator come on?
YES - Check for loose terminals in the ABS control unit 31P connector. If necessary, substitute a known-good ABS modulator-control unit, and recheck.
NO - Go to step 6.
6. Turn the ignition switch OFF.
7. Remove the gauge assembly.
8. Disconnect the gauge assembly connector C (14P).
9. Check for continuity between gauge assembly connector C (14P) terminal No. 14 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between the gauge assembly and the ABS control unit.
NO - Go to step 10.
10. Reconnect the gauge assembly connector C (14P).
11. Turn the ignition switch ON (II).
12. Measure the voltage between gauge assembly connector C (14P) terminal No. 9 and body ground.
Is there 0.3 Volts or less?
YES - Check for loose terminals in the gauge assembly connectors. If the connectors are OK, replace the gauge assembly.
NO - Repair open in the wire between the gauge assembly and body ground (G502).