DTC Troubleshooting: C1650-62, C1652-62, C1653-62
DTC C1650-62: Left-Front Acceleration Sensor Difference Abnormality
DTC C1652-62: Left-Rear Acceleration Sensor Difference Abnormality
DTC C1653-62: Right-Rear Acceleration Sensor Difference Abnormality
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
DTC
Freeze Frame
C1650-62 Left-Front Acceleration Sensor Difference Abnormality
    
C1652-62 Left-Rear Acceleration Sensor Difference Abnormality
    
C1653-62 Right-Rear Acceleration Sensor Difference Abnormality
    

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.

?4.
Test-drive the vehicle at 16 mph (25 km/h) or more for at least 60 seconds.
NOTE: Drive the vehicle on the road, not on a lift.

?5.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
C1650-62 Left-Front Acceleration Sensor Difference Abnormality
    
C1652-62 Left-Rear Acceleration Sensor Difference Abnormality
    
C1653-62 Right-Rear Acceleration Sensor Difference Abnormality
    

Is DTC C1650-62, C1652-62, or C1653-62 indicated?

     
YES
     
     
     
The failure is duplicated. Go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.?
2.
Acceleration sensor check:

Acceleration sensor check
?1.
Substitute a known-good acceleration sensor.

?2.
Turn the vehicle to the ON mode.

?3.
Clear the DTC with the HDS.


?4.
Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.

?5.
Test-drive the vehicle at 16 mph (25 km/h) or more for at least 60 seconds.
NOTE: Drive the vehicle on the road, not on a lift.

?6.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
C1650-62 Left-Front Acceleration Sensor Difference Abnormality
    
C1652-62 Left-Rear Acceleration Sensor Difference Abnormality
    
C1653-62 Right-Rear Acceleration Sensor Difference Abnormality
    

Is DTC C1650-62, C1652-62, or C1653-62 indicated?

     
YES
     
     
     
Check for loose terminals and poor connections in the adaptive damper control unit 24P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the adaptive damper control unit.?
     
NO