Diagnostics and checks of entry systems

Inspection and verification

NOTE: Make sure the battery is fully charged before starting electrical system diagnostics.

NOTE: Make sure the doors are open before starting the CMS self-test.

1. Check the validity of the customer's complaint by activating the system.

2. Visually inspect for obvious signs of mechanical and electrical problems.

Visual Inspection Table

Mechanical factors	Electrical Factors
– Jamming mechanisms of locks / latches – Jamming of the lever mechanism – Incorrect door alignment	– Vehicle battery – Remote transmitter batteries – Remote transmitter – Unprogrammed remote transmitter – Fuse 63 (20A) central electrical box (CJB) – Wiring – Loose or corroded connector (s) - Electrical circuit (And) – Door lock switch - Electric door lock

3. If there is an obvious cause for the problem you identified or the customer described, troubleshoot before proceeding with the next steps (if possible).

4. If the problem is not visually obvious, check the symptom and contact WDS to run a system diagnosis.