Diagnosis System

SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: DIAGNOSIS SYSTEM

1. DIAGNOSIS SYSTEM

(a) Indicator light





(1) If a malfunction is detected in the vehicle height control function, the following occurs: 1) The "HEIGHT HIGH" indicator light blinks at 1 second intervals, the master warning light illuminates, and "Check Air Suspension System" is displayed on the multi-information display.





(b) DTCs (Normal mode)

(1) DTCs are memorized in the suspension control ECU and read by using the Techstream. Refer to the DTC check procedure Reading and Clearing Diagnostic Trouble Codes.

(c) Test mode

(1) By switching from normal mode into test mode, you can inspect the front acceleration sensor and rear acceleration sensor Test Mode Procedure.

2. CHECK INDICATOR LIGHT





(a) Turn the engine switch on (IG).

(b) Check that the height control indicator light (HEIGHT HIGH) and absorber control indicator light (SPORT and COMFORT) comes on for 2 seconds.

If the indicator check result is not normal, proceed to troubleshooting for the indicator light circuit.