| 1. | Turn the ignition switch ON (II). Does the ABS indicator come on? YES - Go to 2. NO - Repair open in the indicator power source circuit.n
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| 2. | Turn the ignition switch OFF. |
| 3. | Disconnect the negative cable from the battery. |
| 4. | Disconnect the ABS control unit 25P connector. |
| 5. | Reconnect the battery cable. |
| 6. | Connect ABS control unit 25P connector terminal No. 16 and body ground with a jumper wire. |
| 7. | Turn the ignitions switch ON (II).
Does the brake system indicator come on? YES - Check for loose terminals in the ABS control unit 25P connector. If necessary substitute a known-good ABS modulator-control unit, and recheck.n NO - Go to 8. |
| 8. | Apply parking brake. Does the brake system indicator come on? YES - The system is OK at this time.n NO - Go to 9. |
| 9. | Check the parking brake switch. Is the switch OK? YES - Go to 10. NO - Replace the parking brake switch.n |
| 10. | Remove the gauge assembly. |
| 11. | Connect the gauge assembly connector C (30P) terminal No. 7 and body ground with a jumper. |
| 12. | Turn the ignition switch ON (II).
Does the brake system indicator come on? YES - Repair open in the wire between the parking brake switch and the gauge assembly.n NO - Replace the gauge assembly.n |
| 1. | Release the parking brake. Does the brake system indicator go off? YES - The system is OK at this time.n NO - Go to 2. |
| 2. | Check the parking brake switch. Is the switch OK? YES - Go to 3. NO - Refill the brake fluid level switch.n |
| 3. | Check the brake fluid level. Is the level OK? YES - Go to 4. NO - Replace the parking brake switch.n |
| 4. | Check the brake fluid level switch. Is the switch OK? YES - Go to 5. NO - Replace the brake fluid level switch.n |
| 5. | Turn the ignition switch OFF. |
| 6. | Disconnect the negative cable from the battery. |
| 7. | Disconnect the ABS control unit 25P connector. |
| 8. | Reconnect the battery cable. |
| 9. | Turn the ignition switch ON (II). Does the brake system indicator go off? YES - Replace the ABS modulator-control unit.n NO - Go to 10. |
| 10. | Turn the ignition switch OFF. |
| 11. | Turn the ignition switch OFF. |
| 12. | Disconnect the negative cable from the battery. |
| 13. | Remove the gauge assembly. |
| 14. | Disconnect the gauge assembly connector C (30P). |
| 15. | Check for continuity between the gauge assembly connector C (30P) terminals No. 6 and body ground.
Is there continuity? YES - Repair short to body ground in the wire between the gauge assembly and the ABS control unit.n NO - Repair short to body ground in the wire between the brake system indicator and the parking brake switch or between the brake system indicator and the brake fluid level switch.n |