Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Instrument Cluster System Check? | -- | Go to Step 2 | |
2 | Are there any other gauges inoperative? | -- | Go to Step 3 | Go to Step 4 |
3 |
Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 6 |
4 |
Is the measured frequency within the specified range? | 18-25 Hz | Go to Step 9 | Go to PCM Controlled Tachometer Diagnosis |
5 | Replace the instrument cluster assembly printed circuit. Refer to Printed Instrument Cluster Circuit Replacement . Is the repair complete? | -- | -- | |
6 | Using a test lamp, backprobe the junction block 3, C2 cavity 18 to ground. Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 8 |
7 | Repair the open in the RED/BLU wire between the junction block 3, C2 cavity 18 and the instrument cluster assembly C1 cavity 2. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
8 | Replace the junction block 3. Refer to Instrument Panel Wiring Harness Replacement . Is the repair complete? | -- | -- | |
9 | Inspect the instrument cluster assembly printed circuit for damage. Is there any damage? | -- | Go to Step 5 | Go to Step 10 |
10 | Replace the tachometer. Refer to Tachometer Replacement . Is the repair complete? | -- | -- |
