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Problem Symptoms Table

ADAPTIVE VARIABLE SUSPENSION SYSTEM 

PROBLEM SYMPTOMS REFERENCE

Symptom Suspected Area See
Damping force control does not operate at all 1. Power source circuit DTC C1774 LOW BATTERY POSITIVE VOLTAGE 
2. Acceleration sensor assembly circuit DTC C1715 FRONT ACCELERATION SENSOR RH; DTC C1716 FRONT ACCELERATION SENSOR LH; DTC C1717 REAR ACCELERATION SENSOR; DTC C1791 FRONT ACCELERATION SENSOR RH (TEST MODE DTC); DTC C1792 FRONT ACCELERATION SENSOR LH (TEST MODE DTC); DTC C1793 REAR ACCELERATION SENSOR (TEST MODE DTC) 
3. Absorber control actuator circuit DTC C1725 FRONT DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1726 FRONT DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT; DTC C1727 REAR DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1728 REAR DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT 
4. Shock absorber assembly (Front) DISASSEMBLY
5. Shock absorber assembly (Rear) DISASSEMBLY
6. Vehicle speed sensor circuit DTC C1776 SPEED SENSOR CIRCUIT 
7. Steering sensor circuit DTC C1777 STEERING ANGLE SENSOR CIRCUIT 
8. CAN communication system SYSTEM DESCRIPTION
9. Absorber control ECU ABSORBER CONTROL ECU 
Only rolling control does not operate 1. Steering angle sensor circuit DTC C1777 STEERING ANGLE SENSOR CIRCUIT 
2. Vehicle speed sensor circuit DTC C1776 SPEED SENSOR CIRCUIT 
3. Absorber control actuator circuit DTC C1725 FRONT DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1726 FRONT DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT; DTC C1727 REAR DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1728 REAR DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT 
4. CAN communication system SYSTEM DESCRIPTION
5. Absorber control ECU ABSORBER CONTROL ECU 
Only anti-squat control does not operate 1. Crankshaft position sensor circuit (2GR-FSE) DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT; DTC P0339 CRANKSHAFT POSITION SENSOR "A" CIRCUIT INTERMITTENT
2. Crankshaft position sensor circuit (1UR-FSE) DTC P0335 CRANKSHAFT POSITION SENSOR "A" CIRCUIT; DTC P0337 CRANKSHAFT POSITION SENSOR "A" CIRCUIT LOW INPUT; DTC P0338 CRANKSHAFT POSITION SENSOR "A" CIRCUIT HIGH INPUT; DTC P0339 CRANKSHAFT POSITION SENSOR "A" CIRCUIT INTERMITTENT
3. Vehicle speed sensor circuit DTC C1776 SPEED SENSOR CIRCUIT 
4. Acceleration sensor assembly circuit DTC C1715 FRONT ACCELERATION SENSOR RH; DTC C1716 FRONT ACCELERATION SENSOR LH; DTC C1717 REAR ACCELERATION SENSOR; DTC C1791 FRONT ACCELERATION SENSOR RH (TEST MODE DTC); DTC C1792 FRONT ACCELERATION SENSOR LH (TEST MODE DTC); DTC C1793 REAR ACCELERATION SENSOR (TEST MODE DTC) 
5. Absorber control ECU ABSORBER CONTROL ECU 
Only anti-drive control does not operate 1. Stop light switch circuit DTC C1249/49 OPEN IN STOP LIGHT SWITCH CIRCUIT
2. Vehicle speed sensor circuit DTC C1776 SPEED SENSOR CIRCUIT 
3. Acceleration sensor assembly circuit DTC C1715 FRONT ACCELERATION SENSOR RH; DTC C1716 FRONT ACCELERATION SENSOR LH; DTC C1717 REAR ACCELERATION SENSOR; DTC C1791 FRONT ACCELERATION SENSOR RH (TEST MODE DTC); DTC C1792 FRONT ACCELERATION SENSOR LH (TEST MODE DTC); DTC C1793 REAR ACCELERATION SENSOR (TEST MODE DTC) 
4. CAN communication system SYSTEM DESCRIPTION
5. Absorber control ECU ABSORBER CONTROL ECU 
Only speed sensor control does not operate 1. Vehicle speed sensor circuit DTC C1776 SPEED SENSOR CIRCUIT 
2. Absorber control actuator circuit DTC C1725 FRONT DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1726 FRONT DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT; DTC C1727 REAR DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1728 REAR DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT 
3. Absorber control ECU ABSORBER CONTROL ECU 
Only spring-bottom vibration control does not operate 1. Vehicle speed sensor circuit DTC C1776 SPEED SENSOR CIRCUIT 
2. Acceleration sensor assembly circuit DTC C1715 FRONT ACCELERATION SENSOR RH; DTC C1716 FRONT ACCELERATION SENSOR LH; DTC C1717 REAR ACCELERATION SENSOR; DTC C1791 FRONT ACCELERATION SENSOR RH (TEST MODE DTC); DTC C1792 FRONT ACCELERATION SENSOR LH (TEST MODE DTC); DTC C1793 REAR ACCELERATION SENSOR (TEST MODE DTC) 
3. Absorber control actuator circuit DTC C1725 FRONT DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1726 FRONT DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT; DTC C1727 REAR DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1728 REAR DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT 
4. Absorber control ECU ABSORBER CONTROL ECU 
Only bumpy control does not operate 1. Acceleration sensor assembly circuit DTC C1715 FRONT ACCELERATION SENSOR RH; DTC C1716 FRONT ACCELERATION SENSOR LH; DTC C1717 REAR ACCELERATION SENSOR; DTC C1791 FRONT ACCELERATION SENSOR RH (TEST MODE DTC); DTC C1792 FRONT ACCELERATION SENSOR LH (TEST MODE DTC); DTC C1793 REAR ACCELERATION SENSOR (TEST MODE DTC) 
2. Absorber control actuator circuit DTC C1725 FRONT DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1726 FRONT DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT; DTC C1727 REAR DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1728 REAR DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT 
3. Shock absorber assembly (Front) DISASSEMBLY
4. Shock absorber assembly (Rear) DISASSEMBLY
5. Absorber control ECU ABSORBER CONTROL ECU 
Only VSC operation control does not operate 1. Acceleration sensor assembly circuit DTC C1715 FRONT ACCELERATION SENSOR RH; DTC C1716 FRONT ACCELERATION SENSOR LH; DTC C1717 REAR ACCELERATION SENSOR; DTC C1791 FRONT ACCELERATION SENSOR RH (TEST MODE DTC); DTC C1792 FRONT ACCELERATION SENSOR LH (TEST MODE DTC); DTC C1793 REAR ACCELERATION SENSOR (TEST MODE DTC) 
2. Absorber control actuator circuit DTC C1725 FRONT DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1726 FRONT DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT; DTC C1727 REAR DAMPING FORCE CONTROL ACTUATOR RH CIRCUIT; DTC C1728 REAR DAMPING FORCE CONTROL ACTUATOR LH CIRCUIT 
3. Shock absorber assembly (Front) DISASSEMBLY
4. Shock absorber assembly (Rear) DISASSEMBLY
5. CAN communication system SYSTEM DESCRIPTION
6. Brake control system HOW TO PROCEED WITH TROUBLESHOOTING
7. Absorber control ECU ABSORBER CONTROL ECU 
8. Skid control ECU REMOVAL
DTC check cannot be completed 1. Power source circuit DTC C1774 LOW BATTERY POSITIVE VOLTAGE 
2. CAN communication system SYSTEM DESCRIPTION
3. TC terminal circuit TC AND CG TERMINAL CIRCUIT 
4. Absorber control ECU ABSORBER CONTROL ECU 
5. ECM (2GR-FSE) REMOVAL
6. ECM (IUR-FSE) REMOVAL
Test mode (signal check) cannot be completed 1. Power source circuit DTC C1774 LOW BATTERY POSITIVE VOLTAGE 
2. CAN communication system SYSTEM DESCRIPTION
3. TS terminal circuit TS AND CG TERMINAL CIRCUIT 
4. Absorber control ECU ABSORBER CONTROL ECU 
5. Skid control ECU REMOVAL
SPORT indicator light (absorber control indicator light) circuit (Remains on) 1. Power source circuit DTC C1774 LOW BATTERY POSITIVE VOLTAGE 
2. Absorber control switch circuit DTC C1787 EMS SWITCH CIRCUIT (TEST MODE DTC) 
3. SPORT indicator light (absorber control indicator light) circuit DTC U0100 Lost Communication with ECM/PCM "A"; DTC U0101 Lost Communication with TCM; DTC U0122 Lost Communication with Vehicle Dynamics Control Module; DTC U0126 Lost Communication with Steering Angle Sensor Module; DTC U0130 Lost Communication with VGRS; DTC U0132 Lost Communication with Absorber Control ECU 
4. Absorber control ECU ABSORBER CONTROL ECU 
SPORT indicator light (absorber control indicator light) circuit (Does not come on) 1. Power source circuit DTC C1774 LOW BATTERY POSITIVE VOLTAGE 
2. Absorber control switch circuit DTC C1787 EMS SWITCH CIRCUIT (TEST MODE DTC) 
3. SPORT indicator light (absorber control indicator light) circuit ABSORBER CONTROL INDICATOR LIGHT DOES NOT COME ON 
4. Absorber control ECU ABSORBER CONTROL ECU 
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