Step
| Action
| Value(s)
| Yes
| No
|
1
| Did you perform the Instrument Cluster System Check?
| --
| Go to
Step 2
| Go to
Instrument Cluster System Check
|
2
|
- Disconnect the PCM connector C1.
- Connect a signal generator I/P test J 33431-C
to PCM connector C1, terminal 55.
- Connect J 33431-C
ground terminal to a good chassis ground.
- Set the signal generator I/P tester J 33431-C
to 54 mph.
- Turn the ignition switch to RUN.
Does the speedometer read the specified value?
| 54 mph
| Go to
Step 4
| Go to
Step 3
|
3
| Inspect CKT 817 (DK GRN/WHT)
for the following conditions:
- A short to ground
- A short to voltage
- An open
Is CKT 817 OK?
| --
| Go to
Step 6
| Go to
Step 5
|
4
|
- Inspect for a poor connection at the PCM connector C1,
terminal 55.
- If the terminal contact is OK, refer to Engine Controls.
Did you find and correct the condition?
| --
| Go to
Instrument Cluster System Check
| --
|
5
| Repair CKT 817 (DK GRN/WHT). Refer to
Repairing Damaged Wire Insulation
in Wiring Systems.
Did you complete the repair?
| --
| Go to
Instrument Cluster System Check
| --
|
6
|
- Inspect for a poor connection at the instrument cluster vehicle
speed input terminal.
- If the terminal is OK, replace the instrument cluster. Refer to
Instrument Cluster Replacement
.
Is the replacement complete?
| --
| Go to
Instrument Cluster System Check
| --
|
