Test Requirements
WARNING: This page is about a different variant/trim than selected.
- The Speedometer -G21- OK.
- The Engine Control Module (ECM) -J623- fuses OK.
- Battery voltage at least 12.5 volts.
- All electrical consumers such as, lights and rear window defroster, switched off.
- A/C switched off.
- Ground connections between engine/transmission/chassis OK.
- Switch the ignition Off.