For 1990-2009 cars

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 |

1. Turn the ignition switch to the OFF position.
2. Disconnect the engine coolant level switch connector.
3. Start the engine.

Is the low coolant indicator still lit?

--

Go to Step 4

Go to Step 3

3 |

1. Turn the ignition switch to the OFF position.
2. Measure the voltage between the low coolant switch connector terminal A (BLK/WHT) and terminal B (PNK).

Does the measured voltage approximately equal the specified value?

12 V

Go to Step 11

Go to Step 7

4 | Inspect CKT 68 (YEL/BLK) for a short to ground. Is there a short to ground in CKT 68? | -- | Go to Step 6 | Go to Step 5
5 | Replace the instrument cluster. Refer to IP Cluster Replacement in Instrument Panel, Gauges, and Console. Is the repair complete? | -- | Go to Step 12 | --
6 | Repair CKT 68 (YEL/BLK) for a short to ground. Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Instrument Cluster System Check | --
7 | Inspect CKT 239 (PNK) for an open or high resistance. Was a problem found in CKT 239? | -- | Go to Step 8 | Go to Step 9
8 | Repair CKT 239 (PNK). Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Step 12 | --
9 | Inspect CKT 251 (BLK) for an open or high resistance. Was a problem found in CKT 251? | -- | Go to Step 10 | Go to Step 11
10 | Repair CKT 251 (BLK). Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Step 12 | --
11 | Replace the engine coolant level switch. Refer to Engine Cooling. Is the replacement complete? | -- | Go to Step 12 | --
12 |

1. Ensure that you install in place any components removed during the diagnosis.
2. Ensure that all connectors are connected.

Did you complete the repair?

--

Go to Instrument Cluster System Check

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