Symptom Troubleshooting Index
If the vehicle has one of the symptoms below, check for a diagnostic trouble code (DTC) with the HDS. If there is no DTC, do the diagnostic procedure for the symptom.
SYMPTOM TROUBLESHOOTING CHART
| Symptom | Diagnostic procedure |
|---|---|
| IMA system indicator stays on, no DTCs set | Troubleshoot the IMA system indicator circuit (see step 1 on ). |
| IMA system indicator never comes on, no DTCs set | Troubleshoot the IMA system indicator circuit (see step 1 on ). |
| Charging system indicator stays on, no DTCs set | Troubleshoot the charging system indicator circuit (see step 1 on ). |
| Charging system indicator blinks, no DTCs set | Troubleshoot the charging system indicator circuit (see step 1 on ) |
| Charging system indicator never comes on, no DTCs set | Troubleshoot the charging system indicator circuit (see step 1 on ). |
| HDS does not communicate with the MCM or other vehicle systems | Troubleshoot the DLC circuit (see DLC CIRCUIT TROUBLESHOOTING ). |
| Auto idle stop system does not operate | Troubleshoot the auto idle stop system (see AUTO IDLE STOP SYSTEM TROUBLESHOOTING ). |