Grand Cherokee 2WD L6-4.0L VIN S (1997)
Volt Meter Gauge: Testing and Inspection
Testing
If the problem being diagnosed is related to gauge accuracy, be certain to confirm proper charging system operation before considering gauge
replacement.
WARNING: ON VEHICLES EQUIPPED WITH AIR-BAGS, REFER TO PASSIVE RESTRAINT SYSTEMS BEFORE ATTEMPTING
STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE
THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
Diagnosis of the system voltage input circuit or the Powertrain Control Module (PCM) should be performed with the DRB scan tool. Diagnosis of the
voltmeter gauge, the instrument cluster circuitry, or the CCD data bus should be performed with the DRB scan tool.