DTC 1-1:
Front Vertical Acceleration Sensor Circuit High Voltage
DTC 1-2:
Right-rear Vertical Acceleration Sensor Circuit High Voltage
DTC 1-3:
Left-rear Vertical Acceleration Sensor Circuit High 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 1-1, 1-2, or 1-3 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. Turn the ignition switch to LOCK (0).
7. 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.
8. Turn the ignition switch to ON (II).
9. Measure the voltage between body ground and the appropriate active damper control unit connector B (14P) terminal individually (see table).
Is there more than 0.5 V?
YES -
Repair a short to power in the wire between the appropriate vertical acceleration sensor and the active damper control unit, then go to step 14.