FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Preliminary Information





Following you will find figures and instructions for taking readings of voltage levels on the main instrument display panel and its control module.

Remember:
- Readings should be taken via a Break Out Box (BOB) connected between the control module and its connector.
- Several voltage levels should be regarded as guiding values. Use your common sense when judging whether a particular reading is correct or not.
- If any reading is not OK, consult the wiring diagram to trace the leads, connectors or components which ought to be checked more thoroughly.
- All test readings should be taken with the engine warmed up to normal operating temperature.
- Unless otherwise specified, the ignition should be switched on.
- The test readings indicated are in respect of calibrated FLUKE 88/97.