C1794

SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL SUSPENSION: C1794: Height Control OFF Switch Circuit (Test Mode DTC)
C1794 - Height Control OFF Switch Circuit (Test Mode DTC)

DESCRIPTION

This is the height control system main switch. When the height control switch is pushed, the height control OFF indicator light lights up and height control turns off.

The off condition of the height control will not be canceled until the height control switch is pushed again or the vehicle is driven.





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
- Before performing troubleshooting, inspect the connectors of related circuits.
- If the suspension control ECU or height control sensor is replaced, the vehicle height offset calibration must be performed Programming and Relearning.

PROCEDURE

1. INSPECT INTEGRATION CONTROL AND PANEL (HEIGHT CONTROL OFF SWITCH)

(a) Remove the integration control and panel Removal.

(b) Measure the resistance according to the value(s) in the table below.





Standard Resistance:





NG -- REPLACE INTEGRATION CONTROL AND PANEL Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (SUSPENSION CONTROL ECU - SWITCH AND BODY GROUND)





(a) Disconnect the K30 ECU connector.

(b) Disconnect the V4 integration control and panel connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE SUSPENSION CONTROL ECU Removal