Circuit/System Verification
- Ignition ON, perform the Auxiliary Gauge Sweep test with the scan tool, verify all auxiliary gauges sweep from the low to high positions.
- If none of the auxiliary gauges sweep properly
Refer to Circuit/System Testing.
- If one, two, or three of the auxiliary gauges sweep properly
Replace the P26 Auxiliary Gauge Module.
- If all auxiliary gauges sweep properly
- If none of the auxiliary gauges sweep properly
- All OK.