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.





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.





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.





B -- Go to DIAGNOSTIC TROUBLE CODE CHART
A -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE





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