1. Disconnect the low coolant indicator switch.
2. Turn the ignition switch to RUN.
3. Observe the lamp.

Does the lamp light?

--

Go to Step 3

Go to Step 2

Replace the low engine coolant level indicator switch.

Does the indicator lamp turn off?

--

System OK

--

1. Backprobe the multifunction alarm module with a DMM from terminal B1 to B+.
2. Measure the voltage.

Does the DMM register voltage more than the specified value?

1.0 V

Go to Step 4

Go to Step 5

Repair the short to ground in CKT 1478 (LT GRN) between the low engine coolant level indicator switch and the multifunction alarm module.

Does the indicator lamp turn off?

--

System OK

--

1. Turn the ignition switch to LOCK.
2. Disconnect the multifunction alarm module.
3. Observe the lamp.

Does the lamp remain lit?

--

Go to Step 6

Go to Step 7

Repair the short to voltage in CKT 68 (YEL/BLK) between the driver information center and the multifunction alarm module.

Is the repair complete?

--

System OK

--

Replace the multifunction alarm module.

Is the repair complete?

--

System OK

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