Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Engine Cooling Schematics Connector End View Reference: Cooling System Connector End Views DEFINITION: The low coolant level display is always ON when the key is in the ON position. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Is the low coolant message displayed on the driver information center (DIC)? | Go to Step 3 | Go to Testing for Electrical Intermittents in Wiring Systems |
3 |
Did you find and correct the condition? | Go to Step 10 | Go to Step 4 |
4 |
Is 12 volts present on the control circuit? | Go to Step 6 | Go to Step 5 |
5 | Inspect the control circuit of the low coolant sensor for an open or short to voltage. Refer to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 8 |
6 | Inspect for poor connections at the coolant level sensor. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 7 |
7 | Replace the coolant level sensor. Refer to Radiator Surge Tank Replacement . Did you complete the replacement? | Go to Step 10 | -- |
8 | Inspect for poor connections at the Body Control Module (BCM). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 9 |
9 | Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |