DTC 1-7:
Front Vertical Acceleration Sensor Circuit Low Voltage
DTC 1-8:
Right-rear Vertical Acceleration Sensor Circuit Low Voltage
DTC 1-9:
Left-rear Vertical Acceleration Sensor Circuit Low Voltage
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0).
4. Start the engine, and wait 5 seconds.
5. Check for DTCs with the HDS.
Is DTC 1-7, 1-8, or 1-9 indicated?
YES -
Go to step 6.
NO -
Intermittent failure, the system is OK at this time. Check for poor or loose connections between the vertical acceleration sensor and the active
damper control unit.?
6. Do the appropriate vertical acceleration sensor inspection See: Sensors and Switches/Sensors and Switches - Steering and
Suspension/Sensors and Switches - Suspension/Acceleration Sensor/Testing and Inspection.
Does the vertical acceleration sensor indicate OK?
YES -
Replace the active damper control unit See: Relays and Modules/Relays and Modules - Steering and Suspension/Relays and Modules -
Suspension/Suspension Control Module/Service and Repair.?
NO -
Go to step 7.
7. Turn the ignition switch to LOCK (0).
8. Disconnect active damper control unit connector B (14P) See: Relays and Modules/Relays and Modules - Steering and Suspension/Relays
and Modules - Suspension/Suspension Control Module/Service and Repair.
9. Disconnect the appropriate vertical acceleration sensor 3P connector.
10. Check for continuity between body ground and the appropriate active damper control unit connector B (14P) terminal (see table).
