| 1. | Turn the ignition switch ON (II), start the engine and watch the EPS indicator. Does the EPS indicator come on? YES - If the EPS indicator comes on and goes off, it's OK. If the EPS indicator stays on blinks, alway check for an open or a short to ground in the SCS circuit. NO - Go to 2. |
| 2. | Turn the ignition switch OFF, then ON (II) again and watch the brake system indicator. Does the brake system indicator come on? YES - Go to 3. NO - Repair open in the indicator power source circuit.n
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| 3. | Turn the ignition switch OFF. |
| 4. | Disconnect the gauge assembly 20P connector. |
| 5. | Turn the ignition switch ON (II). |
| 6. | Measure the voltage between the gauge assembly 22P connector terminal No. 2 and body ground.
Is there battery voltage? YES - Go to 7. NO - Repair open in the wire between the gauge assembly and No. 16 METER (7.5 A) fuse.n |
| 7. | Turn the ignition switch OFF. |
| 8. | Check the EPS indicator bulb in the gauge assembly. Is the bulb OK? YES - Go to 9. NO - Repair the EPS indicatoer bulb. |
| 9. | Connect the gauge assembly 20P connector on the gauge assembly. |
| 10. | Turn the ignition switch ON (II). |
| 11. | Connect the gauge assembly 30P connector terminal No. 26 to body ground with a jumper wire.
Does EPS indicator come on? YES - Go to 12. NO - Replace the bulb circuit board in the gauge assembly. |
| 12. | Turn the ignition switch OFF. |
| 13. | Disconnect the negative cable from the battery. |
| 14. | Disconnect the EPS control unit connector B (14P). |
| 15. | Reconnect the negative cable to the battery. |
| 16. | Turn the ignition switch ON (II). |
| 17. | Connect the EPS control unit connector B (14P) terminal No. 13 to body ground with a jumper wire.
Does EPS indicator come on? YES - Go to 18. NO - Repair open in the wire between the gauge assembly and EPS control unit.n |
| 18. | Turn the ignition switch OFF. |
| 19. | Disconnect the negative cable from the battery. |
| 20. | Disconnect the EPS control unit connector A (4P). |
| 21. | Check for continuity between body ground and the EPS control unit connector A (4P) terminal No. 4 to body ground.
Is there continuty? YES - Go to 22. NO - Repair open in the wire between the EPS control unit and body ground (G451).n |
| 22. | Reconnect the negative cable to the battery. |
| 23. | Turn the ignition switch ON (II). |
| 24. | Measure the voltage between the EPS control unit connector B (14P) terminal No. 6 and body ground.
Is there battery voltage? YES - Go to 25. NO - Repair open in the wire between the EPS control unit connector B (14P) and No. 16 METER (7.5 A) fuse.n |
| 25. | Turn the ignition switch OFF. |
| 26. | Start the engine. Does EPS indicator go off? YES - Go to 27. NO - Repair short to body ground in the wire between the EPS indicator and EPS control unit.n |
| 27. | Inspect the bulb circuit board in the gauge assembly. Is there normal? YES - Check for loose EPS control unit connectors. If necessary, substitute a known-good EPS control unit and recheck.n NO - Replace the bulb circuit board in the gauge assembly.n |