Diagnostic Routine C

Diagnostic Routine C

Diagnostic Overview

The Alarm System Does Not Arm or No Turn Signal Flash Confirmation

Normal Operations and Fault Conditions

REFER to Anti-Theft - Perimeter (vehicles without IA (Intelligent Access)) or REFER to Anti-Theft - Perimeter (vehicles with IA (Intelligent Access)).

Visual Inspection and Diagnostic Pre-checks

- Hood switch

- RKE (Remote Keyless Entry) transmitter

Pinpoint Test

1. RETRIEVE THE DTCs (Diagnostic Trouble Codes) IN THE BCM (Body Control Module)

1. Ignition ON.

2. NOTE: DTC (Diagnostic Trouble Code) B1305:13 sets if the hood is open. Make sure the hood is closed prior to running the self-test.
Using a scan tool, perform the BCM (Body Control Module) self-test.

Is DTC (Diagnostic Trouble Code) B1305:13 present?






2. CHECK THE DOOR AND LIFTGATE/LUGGAGE COMPARTMENT AJAR MESSAGE CENTER DISPLAY OPERATION

1. Open and close all the doors and liftgate/luggage compartment while checking the ajar displays in the message center.

Does the message center ajar display operate correctly for each door and liftgate/luggage compartment lid?






3. VERIFY THE HAZARD LAMP OPERATION

1. Place the hazard switch in the ON position.

Do the hazard lamps operate correctly?






4. CHECK THE RKE (Remote Keyless Entry) TRANSMITTER FUNCTION

1. Using the RKE (Remote Keyless Entry) transmitter, lock and unlock the doors.

Do the RKE (Remote Keyless Entry) transmitter functions operate correctly?






5. CHECK FOR CORRECT BCM (Body Control Module) OPERATION

1. Ignition OFF.

2. Disconnect and inspect all BCM (Body Control Module) connectors.

3. Repair:

- corrosion (install new connector or terminals- clean module pins)
- damaged or bent pins- install new terminals/pins
- pushed-out pins- install new pins as necessary

4. Reconnect the BCM (Body Control Module) connectors. Make sure they seat and latch correctly.

5. Operate the system and determine if the concern is still present.

Is the concern still present?