Height Control Off Indicator Light Circuit

SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: Height Control OFF Indicator Light Circuit

Height Control OFF Indicator Light Circuit

DESCRIPTION

If the suspension control ECU detects a problem, the height control OFF indicator light comes on while suspending the height control function at the same time. At this time, the suspension control ECU records a DTC. Connect terminal TC and CG of the DLC3 to make the height control OFF indicator light flash and output DTC.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT COMBINATION METER ASSEMBLY (HEIGHT CONTROL OFF INDICATOR LIGHT)





(a) Remove the combination meter.
(b) Check indicator light on the combination meter assembly.
(1) Check that the height control OFF indicator light comes on when battery positive voltage is applied to the terminals as shown in the chart below.






OK:
Height control OFF indicator light comes on.
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (SUSPENSION CONTROL ECU - COMBINATION METER ASSEMBLY)





(a) Disconnect the suspension control ECU S16 connector.
(b) Measure the resistance according to the values in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE