JB2 Wiring Harness Check (Location Check)

^ The air suspension control mod has not received all four door OPEN and CLOSE signal In order to determine where the problem is located, the following actions are required:

^ Release STAR test button to the up HOLD position. After five seconds depress STAR test button again so that it remains in the down TEST position. This will allow control module to enter Functional Test mode.

^ STAR Tester is displaying code?

31,32, 33, 34 or 35 -- GO to JB4.

Any other code -- GO to JB3.