Component Tests and General Diagnostics

IMA System Indicator Circuit Troubleshooting

IMA system indicator stays on, no DTCs set

1. Turn the ignition switch to LOCK (0).

2. Connect the HDS to the DLC.

3. Turn the ignition switch to ON (II), and select the IMA SYSTEM.

Does the HDS communicate with the IMA system?

YES -

Go to step 4.

NO -

Do the DLC circuit troubleshooting.

4. Do the gauge self-diagnostic function.

Does the IMA system indicator flash?

YES -

The system is OK at this time.

NO -

Substitute a known-good gauge control module, and recheck. If the IMA system indicator is OK, replace the original gauge control module.

IMA system indicator never comes on, no DTCs set

5. Turn the ignition switch to LOCK (0).

6. Do the gauge self-diagnostic function.

Does the IMA system indicator flash?

YES -

The system is OK at this time.

NO -

Substitute a known-good gauge control module, and recheck. If the IMA system indicator is OK, replace the original gauge control module.