EC4 Checking Wiring Harness

^ Disconnect left rear air spring solenoid valve from vehicle wiring harness.

^ Using an analog ohmmeter, connect one lead to wiring harness connector Pin 41 (Circuit 429) and other to Pin 40 (Circuit 430G).

^ Is ohmmeter reading greater than 10,000 ohms:

YES -- REPLACE air spring solenoid valve and REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes

NO -- SERVICE short in wiring harness Circuit 429/430G. REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes