Step
| Action
| Value(s)
| Yes
| No
|
1
| Is the LOW COOLANT level OK?
| --
| Go to
Step 3
| Go to
Step 2
|
2
| Fill the
coolant reservoir to the proper level.
Is the low coolant level indicator illuminated?
| --
| Go to
Step 3
| System OK
|
3
|
- Connect a scan tool.
- WOW the instrument cluster on.
- WOW the instrument cluster off.
Does the low coolant level indicator turn off?
| --
| Go to
Step 4
| Go to
Step 8
|
4
|
- Disconnect the low coolant level indicator module connector.
- Turn the ignition switch to the RUN position.
Is the LOW COOLANT indicator on?
| --
| Go to
Step 5
| Go to
Step 6
|
5
|
- Turn the ignition switch to the off position.
- Using a DMM, inspect terminal B circuit 68 (YEL/BLK)
for a short to ground.
Is the specified value present?
| ∞
| Go to
Step 6
| Go to
Step 7
|
6
|
- Replace the engine coolant level indicator module. Refer to
Coolant Level Module Replacement
in Engine Cooling.
- Inspect the system.
Is the repair complete?
| --
| System OK
| --
|
7
|
- Repair a short to ground in circuit 68 between the instrument
cluster harness connector terminal B6 and the engine coolant level
indicator module terminal B.
- Inspect the system.
Is the repair complete?
| --
| System OK
| --
|
8
|
- Replace the instrument cluster. Refer to
Instrument Cluster Replacement
.
- Inspect the system.
Is the repair complete?
| --
| System OK
| --
|
