For 1990-2009 cars

Step | Action | Value | Yes | No
--- | --- | --- | --- | ---
Schematic Reference: Instrument Cluster Schematics
1 | Did you perform the Diagnostic System Check - Vehicle? | -- | Go to Step 2 | Go to Diagnostic System Check - Vehicle
2 |

1. Turn the ignition ON, with the engine OFF.
2. Press and release the Eng/Met button.

Does the MPH indicator and then the km/h indicator illuminate after each button activation?

--

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3 |

1. Install a scan tool.
2. With a scan tool, observe the English/Metric Status parameter in the IPC data list.
3. Press the Eng/Met button.

Does the English/Metric Status parameter display Active?

--

Go to Step 4

Go to Step 5

4 | Replace the instrument panel cluster (IPC). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you find and correct the condition? | -- | Go to Step 5 | --
5 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2