GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Cigar Lighter/Auxiliary Outlets System Check?

--

Go to Step 2

Go to Cigar Lighter/Auxiliary Outlets System Check

2

Did the rear cigar lighter operate properly?

--

Go to Step 3

Go to Step 6

3

  1. Disconnect the cigar lighter connector.
  2. Connect a DMM from the cigar lighter connector cavity B (BLK) to ground.

Is the resistance less than the specified value?

5 ohms

Go to Step 4

Go to Step 23

4

Connect a DMM from the cigar lighter connector cavity A (ORN) to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 5

Go to Step 24

5

Replace the cigar lighter. Refer to Cigar Lighter Housing Replacement in Instrument Panel, Gauges and Console.

Is the cigar lighter replacement complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

6

Did the auxiliary power receptacle operate properly?

--

Go to Step 7

Go to Step 11

7

Check the underhood fuse block C/LTR fuse for an open.

Is the C/LTR fuse OK?

--

Go to Step 8

Go to Step 9

8

  1. Check for proper terminal contact at the underhood fuse block connector C2 cavity B12 (ORN).
  2. If OK, replace the underhood fuse block. Refer to Underhood Fuse Block Replacement in Engine Electrical.

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

9

Repair the short to ground in CKT 2040 (ORN). Refer to Wiring Repairs .

Is the repair complete?

--

Go to Step 10

--

10

Replace the C/LTR fuse in the underhood fuse block.

Is the replacement complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

11

  1. Turn the ignition switch to the ON position.
  2. Remove the CIGAR relay from the rear fuse block.
  3. Backprobe the rear fuse block connector C1 with a test lamp from battery positive voltage (B+) to cavity D10 (DK GRN).

Did the test lamp light?

--

Go to Step 12

Go to Step 15

12

Backprobe the rear fuse block connector C1 with a test lamp from cavity D9 (PNK) to ground.

Did the test lamp light?

--

Go to Step 13

Go to Step 17

13

Backprobe the underhood fuse block connector C2 with a test lamp from cavity D12 (PNK) to ground.

Did the test lamp light?

--

Go to Step 14

Go to Step 25

14

Replace the underhood fuse block. Refer to Underhood Fuse Block Replacement in Engine Electrical.

Is the replacement complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

15

  1. Disconnect the rear integration module (RIM) connector C1.
  2. Backprobe the rear fuse block connector C1 with a DMM from cavity D10 (DK GRN) to the RIM connector C1 cavity A2 (DK GRN).

Is the resistance less than the specified value?

5 ohms

Go to Step 16

Go to Step 26

16

Replace the rear integration module (RIM). Refer to Body Control Module Replacement in Body Control System.

Is the replacement complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

17

Check the CIGAR fuse in the rear fuse block for an open.

Is the fuse OK?

--

Go to Step 18

Go to Step 19

18

Replace the CIGAR relay in the rear fuse block.

Do the cigar lighters and auxiliary power receptacle now operate properly?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

Go to Step 20

19

  1. Remove the CIGAR relay from the rear fuse block.
  2. Remove the C/LTR fuse from the underhood fuse block.
  3. Remove the AUX PWR fuse from the underhood fuse block.
  4. Backprobe the rear fuse block connector C1 with a DMM from cavity D9 (PNK) to ground.

Is the resistance less than the specified value?

--

Go to Step 21

Go to Step 20

20

Replace the rear fuse block.

Is the replacement complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

21

Repair the short to ground in CKT 70 (PNK). Refer to Wiring Repairs .

Is the repair complete?

--

Go to Step 22

--

22

Replace the CIGAR fuse in the rear fuse block. Refer to Wiring Repairs .

Is the replacement complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

23

Repair the open in CKT 350 (BLK) between the cigar lighter and ground. Refer to Wiring Repairs .

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

24

Repair the open in CKT 2040 (ORN) between the underhood fuse block and the cigar lighter. Refer to Wiring Repairs .

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

25

Repair the open in CKT 70 (PNK) between the rear fuse block and the underhood fuse block. Refer to Wiring Repairs .

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--

26

Repair the open in CKT 1399 (DK GRN) between the rear fuse block and the rear integration module (RIM). Refer to Wiring Repairs .

Is the repair complete?

--

Go to Cigar Lighter/Auxiliary Outlets System Check

--