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 OFF.
2. Disconnect the engine coolant level switch connector.
3. Connect a fused jumper between the coolant level switch connector terminal C and ground.
4. Turn the ignition switch to RUN.

Is the low coolant indicator still lit?

--

Go to Step 4

Go to Step 3

3 | Inspect CKT 68 (YEL) for an open. Is the wiring OK? | -- | Go to Step 5 | Go to Step 11
4 | Measure the voltage between the coolant level switch connector terminal B (BRN) and ground. Does the voltage equal the specified value? | 10-15 V | Go to Step 8 | Go to Step 7
5 |

1. Disconnect the instrument cluster connector C1.
2. Inspect the instrument cluster connector C1 terminal E1 for proper contact.

Is the contact OK?

--

Go to Step 6

--

6 | Replace the instrument cluster. Is the repair complete? | -- | Go to Instrument Cluster System Check | --
7 | Inspect CKT 41 (BRN) for an open or short to ground. Is the wiring OK? | -- | Go to Instrument Cluster System Check | Go to Step 11
8 | Measure the resistance between the coolant level switch connector terminal A (BLK/WHT) and ground. Does the resistance measure less than the specified value? | 5 ohms | Go to Instrument Cluster System Check | --
9 | Inspect CKT 451 for an open. Is the wiring OK? | -- | Go to Instrument Cluster System Check | Go to Step 11
10 | Inspect the coolant level switch connector for proper terminal contact. Is the contact OK? | -- | Go to Step 12 | --
11 | Repair the wiring. Is the repair complete? | -- | Go to Instrument Cluster System Check | --
12 | Replace the coolant level switch. Is the repair complete? | -- | Go to Instrument Cluster System Check | --