GM Service Manual Online
For 1990-2009 cars only

Illuminated Entry Lamps 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

Using a fused jumper, connect RKE Module connector C1, terminal S, to ground.

Do the interior lamps light?

--

Go to Remote Keyless Entry System Check

Go to Step 3

3

Inspect CKT 156 and CKT 1732. Refer to Interior Lights Schematics in Lighting Systems.

Did you find and repair a condition?

--

Go to Remote Keyless Entry System Check

--

Rear Compartment Lid Release Is Not Operable from Transmitters

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

Using a fused jumper, connect RKE Module connector C1, terminal G, to battery voltage.

Does the rear compartment lid release open?

--

Go to Step 3

Go to Step 4

3

Inspect CKT 56.

Did you find and repair a condition?

--

Go to Step 5

Go to Step 4

4

Replace the rear compartment lid release solenoid.

Is the replacement complete?

--

Go to Step 5

--

5

Inspect for continuity at RKE Module connector C1, terminal K, with the transaxle in PARK or NEUTRAL (Automatic Transaxle) or with the park brake set (Manual Transaxle).

Is continuity present?

--

Go to Step 7

Go to Step 6

6

Inspect the relevant circuit. Refer to Keyless Entry Schematics .

Did you find and repair a condition?

--

Go to Step 7

--

7

Measure the voltage at RKE Module connector C1, terminal J with the ignition switch in RUN.

Is the voltage present?

--

Go to Remote Keyless Entry System Check

Go to Step 8

8

Inspect CKT 39.

Did you find and repair a condition?

--

Go to Remote Keyless Entry System Check

--

All Transmitters are Inoperative or Partially 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

Using a fused jumper, connect RKE module connector C1, terminal A, to battery voltage.

Does the driver's door unlock?

--

Go to Step 5

Go to Step 3

3

Inspect CKT 694 and CKT 295.

Did you find and repair a condition?

--

Go to Step 5

Go to Step 4

4

Replace the left front door lock motor.

Is the replacement complete?

--

Go to Step 5

--

5

Measure the voltage at RKE module connector C1, terminal B, with either door lock switch held in the unlock position.

Is the voltage present?

--

Go to Step 7

Go to Step 6

6

Inspect CKT 194.

Did you find and repair a condition?

--

Go to Step 7

--

7

Measure the voltage at RKE module connector C1, terminal E.

Is the voltage present?

--

Go to Step 9

Go to Step 8

8

Repair the open in CKT 40.

Is the repair complete?

--

Go to Step 9

--

9

Using a fused jumper, connect RKE module connector C1, terminal G, to battery voltage.

Does the rear compartment lid release open?

--

Go to Step 10

Go to Step 11

10

Inspect CKT 56.

Did you find and repair a condition?

--

Go to Step 12

Go to Step 11

11

Replace the lid release solenoid rear compartment. Refer to Rear Compartment Lid Lock Cylinder Replacement in Body Rear End.

Is the replacement complete?

--

Go to Step 12

--

12

Using a fused jumper, connect RKE module connector C1, terminal S, to ground.

Do the interior lamps light?

--

Go to Step 14

Go to Step 13

13

Inspect CKT 156 and CKT 1732. Refer to Interior Lights Schematics in Lighting Systems.

Did you find and repair a condition?

--

Go to Step 14

--

14

Measure the voltage at RKE module connector C1, terminal R, with either door lock switch held in the lock position.

Is the voltage present?

--

Go to Step 16

Go to Step 15

15

Inspect CKT 195.

Did you find and repair a condition?

--

Go to Step 16

--

16

Inspect for continuity at RKE module connector C1, terminal N.

Is continuity present?

--

Go to Step 18

Go to Step 17

17

Inspect CKT 150.

Did you find and repair a condition?

--

Go to Step 18

--

18

  1. Inspect for continuity between RKE module connector C1, terminal L, and program connector C2, terminal A.
  2. Connect RKE module connector C1, terminal L, to ground.

Is continuity present in the first case, and an open circuit present in the second case?

--

Go to Step 20

Go to Step 19

19

Inspect CKT 1455.

Did you find and repair a condition?

--

Go to Step 20

--

20

Inspect for continuity at RKE module connector C1, terminal K, with the transaxle in PARK or NEUTRAL (Automatic Transaxle) or the park brake set (Manual Transaxle).

Is continuity present?

--

Go to Step 22

Go to Step 21

21

Inspect the relevant circuit. Refer to Keyless Entry Schematics .

Did you find and repair a condition?

--

Go to Step 22

--

22

Measure the voltage at RKE module connector C1, terminal J.

Is the voltage present?

--

Go to Remote Keyless Entry System Check

Go to Step 23

23

Inspect CKT 39.

Did you find and repair a condition?

--

Go to Remote Keyless Entry System Check

--

Both Transmitters Operate System - Close Range Only

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

  1. Inspect the battery in each transmitter.
  2. Inspect the battery terminals in each transmitter.

Did you find and repair the condition?

--

Go to Remote Keyless Entry System Check

Go to Step 3

3

Replace the remote control door lock receiver. Refer to Receiver Replacement .

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

One Transmitter is Inoperative, Remaining Transmitters are OK

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

  1. Inspect the battery in each transmitter.
  2. Inspect the battery terminals in each transmitter.

Did you find and repair the condition?

--

Go to Remote Keyless Entry System Check

Go to Step 3

3

Replace the remote control door lock receiver. Refer to Receiver Replacement .

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

Driver's Door Cannot Be Locked from Door Lock Switch

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

Using a fused jumper, connect RKE module connector C1, terminal A, to battery voltage.

Does the driver's door unlock?

--

Go to Step 4

Go to Step 3

3

Inspect CKT 694 and CKT 295.

Did you find and repair a condition?

--

Go to Remote Keyless Entry System Check

Go to Step 4

4

Replace the left front door lock motor.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--