Step 
 | Action 
 | Value(s) 
 | Yes 
 | No 
 | 
1 
 | 
- Disconnect the engine coolant level indicator module connector.
 
- Turn the ignition to RUN.
 
- Connect a 3 amp fused jumper between the engine coolant
level indicator module connector terminal B and ground.
 
 
Is the low coolant warning indicator on? 
 | -- 
 | Go to 
Step 2
 
 | Go to 
Step 5
 
 | 
2 
 | Connect a 3 amp fused jumper between the engine coolant level
indicator module connector terminals B and C. 
Is the low coolant warning indicator on? 
 | -- 
 | Go to 
Step 3
 
 | Go to 
Step 4
 
 | 
3 
 | 
- Inspect for a poor connection at the engine coolant level indicator
module connector.
 
- If the connection is OK, 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 
 | -- 
 | 
4 
 | 
- Repair a poor connection or an open in CKT 451 between
the engine coolant level indicator module harness connector terminal C
  and    G113.
 
- Inspect the system.
 
 
Is the repair complete? 
 | -- 
 | System OK 
 | -- 
 | 
5 
 | Inspect for a poor connection or an open in CKT 68. 
Is there a poor connection or an open in CKT 68? 
 | -- 
 | Go to 
Step 6
 
 | Go to 
Step 7
   
 | 
6 
 | 
- Repair a poor connection or an open in CKT 68.
 
- Inspect the system.
 
 
Is the repair complete? 
 | -- 
 | System OK 
 | -- 
 | 
7 
 | 
- Inspect the warning indicator bulb and bulb connection.
 
- If the bulb and the bulb connection are OK, replace the instrument
cluster. Refer to 
Instrument Cluster Replacement 
.
 
- Inspect the system.
 
 
Is the repair complete? 
 | -- 
 | System OK 
 | -- 
 |