Diagnostic Test
- 1) PRE-DIAGNOSTIC CHECK OUT
NOTE: Always perform diagnostics with a fully charged battery.NOTE: Check connectors - Clean/repair as necessary. Poor pin to terminal connections can set DTCs.NOTE: Check for applicable TSBs related to the problem.
Turn the ignition on.
With the DRB III®, read PCM DTCs.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Repair as necessary.
Perform this procedure prior to symptom diagnosis.
Continue
- Go To 2).
- 2) CHECK FOR CURRENT DTC
NOTE: If the PCM detects and stores a DTC, the PCM also stores the engine/vehicle operating conditions under which the DTC was set. Some of these conditions are displayed on the DRB III® at the same time the DTC is displayed.NOTE: Before erasing stored DTCs, record these conditions. Attempting to duplicate these conditions may assist when checking for a DTC.
With the ignition on.
With the DRB III®, erase PCM DTCs.
NOTE: It maybe necessary to road test the vehicle for this DTC to set.With the DRB III®, read PCM DTCs.
Did this DTC set again?
Yes
- Go To 3).
No
- Go To 4).
- 3) SUPERCHARGER CLUTCH UNIT
Turn the ignition off.
Inspect the Supercharger Clutch for signs of excessive end play or wear.
Inspect the Supercharger Clutch belt for signs of excessive wear.
Were there any problems found?
Yes
- Repair as necessary.
- Perform POWERTRAIN VERIFICATION TEST - VER 2 .
No
- The condition that caused this DTC to set is currently not present. Inspect the related components for a possible intermittent condition.
- 4) INTERMITTENT WIRING AND CONNECTORS
The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible intermittent condition.
NOTE: Check connectors - Clean/repair as necessary. Poor pin to terminal connections can set DTCs.NOTE: Check for any Technical Service Bulletins that may apply.Using the wiring diagram/schematic as a guide, inspect the wiring and connectors specific to this DTC. Wiggle the wires while checking for shorts and open circuits.
Were there any problems found?
Yes
- Repair as necessary.
- Perform POWERTRAIN VERIFICATION TEST - VER 2 .
No
- The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible intermittent condition.