2. Checking the Component and Wiring

Checking The Component And Wiring







Check if there is voltage in the system relay's socket #87(3). System relay's socket #87(3) shall be without voltage.

If there is voltage on the system relay's socket #87(3), then check connections and branchings from the socket's #87(3) (see wiring diagram) for short-circuiting to voltage.

HINT: The system relay #30(1) is connected to kl:30 and #87(3) is the output.

Remedy as necessary.

Other Information
- Connecting the breakout box
- Signal specification, engine control module (ECM)
- Replacing relays in the main fuse box and other relays in the engine compartment

Continue: Refer to Verification. 3. Verification