GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Interior Lights System Check performed?

--

Go to Step 2

Go to Interior Lamps System Check

2

  1. Place the interior lamp switch in the ON position.
  2. Disconnect the rear compartment lid release solenoid connector.
  3. Connect a fused jumper between the rear compartment lid release solenoid connector cavity D (ORN/BLK) and ground.

Does the rear compartment lamp turn on?

--

Go to Step 3

Go to Step 5

3

  1. Remove the fused jumper.
  2. Connect a DMM from the rear compartment lid release solenoid connector cavity B (BLK) to ground.

Is the resistance less than the specified value?

0.5 ohms

Go to Step 4

Go to Step 10

4

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

Is the rear compartment lid release solenoid replacement complete?

--

Go to Interior Lamps System Check

--

5

  1. Remove the fused jumper.
  2. Disconnect the rear compartment lamp connector.
  3. Connect a DMM from the rear compartment lamp connector cavity C (DK BLU/WHT) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 6

Go to Step 8

6

Connect a DMM from the rear compartment lamp connector cavity B (ORN/BLK) to the rear compartment lid release solenoid cavity D (ORN/BLK).

Is the resistance less than the specified value?

0.5 ohms

Go to Step 7

Go to Step 9

7

Replace the rear compartment lamp. Refer to Rear Compartment Lamp Replacement.

Is the rear compartment lamp replacement complete?

--

Go to Interior Lamps System Check

--

8

Repair the open in CKT 149 (DK BLU/WHT) between C301 and the rear compartment lamp. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Interior Lamps System Check

--

9

Repair the open in CKT 737 (ORN/BLK) between the rear compartment lamp and the rear compartment lid release solenoid. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Interior Lamps System Check

--

10

Repair the open in CKT 850 (BLK) between ground G402 and the rear compartment lid release solenoid. Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Interior Lamps System Check

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