GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Grand Prix 🢒 Body and Accessories 🢒 Keyless Entry 🢒 Keyless Entry System Inoperative

Step

Action

Value(s)

Yes

No

1

Did you perform the Remote Keyless Entry System Check?

--

Go to Step 2

Go to Remote Keyless Entry System Check

2

Did you perform the BCM Diagnostic System Check?

--

Go to Step 3

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

3
  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

4

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?

    • The door locks
    • The rear compartment lid
    • The alarm (if equipped)

--

Go to Step 18

Go to Step 5

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 12

6
  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?

    • The door locks
    • The rear compartment lid
    • The alarm (if equipped)

--

Go to Step 18

Go to Step 7

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?

    • The door locks
    • The rear compartment lid
    • The alarm (if equipped)

--

Go to Step 13

Go to Step 8

8

Inspect the RADIO BATT Fuse.

Is the RADIO BATT Fuse open?

--

Go to Step 9

Go to Step 10

9
  1. Replace the RADIO BATT Fuse.
  2. Inspect the RADIO BATT Fuse again.

Is the RADIO BATT Fuse open again?

--

Go to Step 14

Go to Step 10

10
  1. Disconnect the Remote Control Door Lock Receiver (RCDLR).
  2. Connect a test lamp between the RCDLR harness connector terminal A and terminal C.

Does the test lamp illuminate?

--

Go to Step 15

Go to Step 11

11

Connect test lamp between the RCDLR harness connector terminal C and ground.

Does the test lamp illuminate?

--

Go to Step 16

Go to Step 17

12

Replace the transmitter batteries.

Did you complete the repair?

--

Go to Step 4

--

13

Replace the defective transmitter.

Did you complete the repair?

--

Go to Step 6

--

14

Repair the short to ground in circuit 640.

Did you complete the repair?

--

Go to Step 6

--

15
  1. Inspect for a poor connections at the RCDLR.
  2. If the connection is OK, replace the RCDLR.

Did you complete the repair?

--

Go to Step 6

--

16

Repair a poor connection or an open in circuit 1550.

Did you complete the repair?

--

Go to Step 6

--

17

Repair a poor connection or an open in circuit 640.

Did you complete the repair?

--

Go to Step 6

--

18

Operate the keyless entry system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step