For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Instrument Cluster System Check? | -- | Go to Step 2 | Go to Instrument Cluster System Check
2 |

1. Turn ON the ignition switch.
2. Disconnect the connector at the cooling fluid minimum capacity sensor (low coolant switch).
3. With a DMM, measure the voltage between terminal B of the two way connector and a good ground.

Is the voltage within the specified range?

B+

Go to Step 3

Go to Step 4

3 |

1. Locate and repair an open ground circuit.
2. If OK, replace the cooling fluid minimum capacity sensor.

Is the repair or replacement complete?

--

Go to Step 5

--

4 |

1. Test for an open circuit XP2.
2. If OK, replace the gauge cluster.

Is the repair or replacement complete?

--

Go to Step 5

--

5 |

1. Connect all connectors and components that you previously removed.
2. Test the low coolant indicator.

Does the low coolant indicator operate properly?

--

System OK

Go to Step 2