Check Gages Indicator Inoperative LG4 7.8L Diesel Engine
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Instrument Cluster Schematics | |||
1 | Did you review the system operation and perform the necessary inspections? | Go to Step 2 | |
2 |
Does the CHECK GAGES indicator illuminate during the displays test? | Go to Step 4 | Go to Step 3 |
3 |
Does the CHECK GAGES indicator illuminate in the IPC? | Go to Step 7 | Go to Step 5 |
4 | Test the check gages indicator control circuit for an open or for a high resistance between the IPC and S262. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 6 |
5 | Test the check gages indicator control circuit for an open or for a high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 6 |
6 | Inspect for poor connections at the harness connector of the IPC. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 8 |
7 | Inspect for poor connections at the harness connector of the MFAM. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 9 |
8 | Replace the IPC. Refer to Instrument Cluster Replacement . Did you complete the replacement? | Go to Step 10 | -- |
9 | Replace the MFAM. Refer to Multifunction Alarm Module Replacement . Did you complete the replacement? | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
