How To Proceed With Troubleshooting

SUSPENSION CONTROL: ACTIVE STABILIZER SUSPENSION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
Use these procedures to troubleshoot the active stabilizer suspension system.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.
3. CHECK COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)
(a) Use Techstream to check if the multiplex communication system (MPX) is functioning normally.

Result





B -- Go to MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.
4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM
(a) Use Techstream to check if the CAN communication system is functioning normally.

Result





B -- Go to CAN COMMUNICATION SYSTEM
A -- Continue to next step.
5. CHECK FOR DTC
(a) Check for DTC Active Stabilizer Suspension System.
(b) Delete the DTC.
(c) Recheck the DTC.

Result





B -- Go to DIAGNOSTIC TROUBLE CODE CHART
A -- Continue to next step.
6. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 8
A -- Continue to next step.
7. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) Terminals of ECU Active Stabilizer Suspension System.
(b) DATA LIST/ACTIVE TEST Active Stabilizer Suspension System.
NEXT -- Continue to next step.
8. REPAIR OR REPLACE
NEXT -- Continue to next step.
9. CONFIRMATION TEST
NEXT -- END