Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The low coolant indicator lamp is ON without a low engine coolant level. | ||||
1 | Did you review the engine coolant level switch operation and perform the necessary inspections? | -- | Go to Step 2 | |
2 |
Does the low engine coolant indicator lamp come on for bulb check, then go out? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Does the low indicator lamp turn off? | -- | Go to Step 4 | Go to Step 5 |
4 | Replace the Coolant surge tank. Refer to Coolant Recovery Reservoir Replacement in Engine Cooling. Did you complete the replacement? | -- | Go to Step 9 | -- |
5 |
Did the Indicator turn off? | -- | Go to Step 6 | Go to Step 8 |
6 | Replace the low coolant indicator module. Refer to Engine Coolant Level Indicator Module Replacement in Instrument Panels, Gauges and Console. Did you complete the repair? | -- | Go to Step 9 | Go to Step 7 |
7 | Repair the Short to ground in the low coolant switch signal circuit. Refer to Wiring Repairs in Wiring Systems. Did you find and complete the repair? | -- | Go to Step 9 | -- |
8 | Repair the short to ground in the Low coolant level indicator control circuit. Refer to Wiring Repairs in Wiring Systems. Did you find and complete the repair? | -- | Go to Step 9 | -- |
9 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
