Symptom Related Diagnostic Procedures
Active Control Engine Mount (ACM) System Symptom Troubleshooting - Harsh engine vibrations felt in the passenger's compartment
Harsh engine vibrations felt in the passenger's compartment
1. Start the engine, and let it idle 20 seconds.
2. Check for PGM-FI system DTCs with the HDS.
Are any Pending or Confirmed DTCs are indicated?
YES -
Go to the indicated DTC's troubleshooting.�
NO -
Go to step 3.
3. Select the ACM in the PGM-FI system, and check for ACM system's DTCs with the HDS.
Are any Pending or Confirmed DTCs are indicated?
YES -
Go to the indicated DTC's troubleshooting.�
NO -
Go to step 4.
4. Turn the ignition switch to LOCK (0).
5. Open the engine hood.
6. Select the ACM TEST in the ACM INSPECTION menu with the HDS.
7. Do the Fr. ACM SOL OFF with the HDS.
Does the engine vibration change when you turn the Fr . ACM SOL OFF?
YES -
Turn the Fr. ACM SOL to ON, then go to step 10.
NO -
Go to step 8.
8. Exit the ACM TEST, and select the Fr. ACM SOL.V ACTIVATION in the ACM INSPECTION menu with the HDS.
9. Check the front engine mount with your hand.
Does the mount vibrate?
YES -
Check the mount for damage. If needed, replace the front engine mount Front Engine Mount Removal/Installation. If the mount is OK, go to step 1 and recheck.
NO -
Replace the front engine mount Front Engine Mount Removal/Installation.�
10. Do the Rr. ACM SOL OFF with the HDS.
Does the engine vibration change when you turn the Rr . ACM SOL OFF?
YES -
The ACM system is OK at this time. Check for other engine mount and other engine problems caused vibration.
NO -
Go to step 11.
11. Exit the ACM TEST, and select the Rr. ACM SOL.V ACTIVATION in the ACM INSPECTION menu with the HDS.
12. Check the rear engine mount with your hand.
Does the mount vibrate?
YES -
Check the mount for damage. If needed, replace the rear engine mount Rear Engine Mount Removal/Installation. If the mount is OK, go to step 1 and recheck.
NO -
Replace the rear engine mount Rear Engine Mount Removal/Installation.�