Was the Remote Keyless Entry System Check performed?

--

Go to Step 2

Go to Remote Keyless Entry System Check

Was the BCM diagnostic system check performed?

--

Go to Step 3

Go to Diagnostic System Check - Body Control System in Body Control System

1. Remove the key from the ignition key lock cylinder.
2. Close all the vehicle doors.
3. Press LOCK and then UNLOCK on the driver's door lock switch while observing the door locks.
4. Press LOCK and then UNLOCK on the passenger door lock switch while observing the door locks.

Do all doors lock and unlock when using either door lock switch?

--

Go to Step 4

Go to Automatic Door Locks System Check in Doors

Resynchronize the transmitters using the following procedure:

1. Press the LOCK and UNLOCK buttons on the keyless entry transmitter for 7 seconds, 1 transmitter at a time.
2. Remove the key from the ignition key cylinder lock.
3. Close all the vehicle doors.
4. Press the LOCK button on the keyless entry transmitter once while observing the door locks.
5. Press the UNLOCK button twice on the keyless entry transmitter while observing the door locks.
6. Press the alarm button (if equipped) on the keyless entry transmitter, while observing the headlamps and listening to the horn.

Does the keyless entry system operate the following components?

--

Go to Step 11

Go to Step 5

1. Remove the transmitter batteries.
2. Use a DMM to measure the voltage on each transmitter battery.

Is the voltage within the specified range?

3-3.5 V

Go to Step 6

Go to Step 13

1. Reprogram all the transmitters. Refer to Transmitter Programming .
2. Remove the key from the ignition key cylinder lock.
3. Close all the vehicle doors.
4. Press the LOCK button on the keyless entry transmitter once while observing the door locks.
5. Press the UNLOCK button on the keyless entry transmitter twice while observing the door locks.
6. Press the rear compartment button on the keyless entry transmitter while observing the rear compartment lid.
7. Press the alarm button (if equipped) on the keyless entry transmitter while observing the headlamps and listening to the horn.

Does the keyless entry system operate the following components?

--

Go to Step 19

Go to Step 7

1. Program a known good transmitter. Refer to Transmitter Programming .
2. Remove the key from the ignition key cylinder lock.
3. Close all the vehicle doors.
4. Press the LOCK button on the keyless entry transmitter once while observing the door locks.
5. Press the UNLOCK button on the keyless entry transmitter twice while observing the door locks.
6. Press the rear compartment button on the keyless entry transmitter once while observing the rear compartment lid.
7. Press the alarm button (if equipped) on the keyless entry transmitter while observing the headlamps and listening to the horn.

Does the keyless entry system operate the following components?

--

Go to Step 14

Go to Step 8

Inspect the RADIO BATT Fuse.

Is the RADIO BATT Fuse open?

--

Go to Step 9

Go to Step 10

1. Replace the RADIO BATT Fuse.
2. Inspect the RADIO BATT Fuse again.

Is the RADIO BATT Fuse open again?

--

Go to Step 15

Go to Step 10

1. Disconnect the Remote Control Door Lock Receiver (RCDLR).
2. Use a test light to connect between the RCDLR harness connector terminal A and terminal C.

Is the test light on?

--

Go to Step 16

Go to Step 12

The keyless entry system is operational. Refer to Remote Keyless Entry System Check .

Is the action complete?

--

Go to Step 19

--

Use a test light to connect between the RCDLR harness connector terminal C and ground.

Is the test light on?

--

Go to Step 17

Go to Step 18

Replace the transmitter batteries.

Is the repair complete?

--

Go to Step 4

--

Replace the defective transmitter.

Is the repair complete?

--

Go to Step 6

--

Repair a short to ground in circuit 640.

Is the repair complete?

--

Go to Step 6

--

1. Inspect for a poor connector terminal contact at the RCDLR.
2. If the connection is OK, replace the RCDLR.

Is the repair complete?

--

Go to Step 6

--

Repair a poor connection or an open in circuit 1550. Is the repair complete?

--

Go to Step 6

--

Repair a poor connection or an open in circuit 640.

Is the repair?

--

Go to Step 6

--

1. Turn the ignition switch to the OFF position.
2. Reinstall the connectors/components removed.
3. Turn the ignition switch to the RUN position for 6 seconds.
4. Turn the ignition switch to the OFF position.
5. Remove the MALL PGM Fuse.
6. Turn the ignition switch to the ACC position. The BCM will sound the chime a number of times equivalent to the BCM type installed on the vehicle.
7. Turn the ignition switch from the ACC position to the OFF position and then back to the ACC position. The BCM sounds any DTCs stored.

Are there any BCM DTCs present?

--

Go to Diagnostic System Check - Body Control System in Body Control System

Go to Remote Keyless Entry System Check