GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Content Theft Deterrent (CTD) System Check?

--

Go to Step 2

Go to Content Theft Deterrent (CTD) System Check

2

  1. Disconnect the remote function actuator (RFA) module connector.
  2. Use a digital multimeter (DMM) in order to measure the resistance between the RFA module harness connector, CKT 262 (LT GRN), and ground.

Is the resistance within the specified range?

0 - 5 ohms

Go to Step 3

Go to Step 5

3

  1. Disconnect the front door lock cylinder switches.
  2. Use the DMM in order to measure the resistance between the RFA module connector, CKT 262 (LT GRN) and ground.

Is the resistance within the specified range?

0 - 5 ohms

Go to Step 4

Go to Step 9

4

Repair a short to ground in CKT 262 (LT GRN). Refer to Wiring Repairs

in Wiring Systems.

Did you complete the repair?

--

Go to Content Theft Deterrent (CTD) System Check

--

5

Use the DMM in order to measure the resistance between the RFA module harness connector CKT 263 (LT BLU/BLK) and ground.

Is the resistance with the specified range?

0 - 5 ohms

Go to Step 6

Go to Step 10

6

  1. Disconnect the rear compartment lid tamper switch.
  2. Use the DMM in order to measure the resistance between the RFA module connector CKT 263 (LT BLU/BLK) and ground.

Is the resistance within the specified range?

0 - 5 ohms

Go to Step 7

Go to Step 8

7

Repair a short to ground in CKT 263 (LT BLU/BLK). Refer to Wiring Repairs

in Wiring Systems.

Did you complete the repair?

--

Go to Content Theft Deterrent (CTD) System Check

--

8

Replace the rear compartment lid tamper switch.

Did you complete the repair?

--

Go to Content Theft Deterrent (CTD) System Check

--

9

Replace the faulty front door lock cylinder switch.

Did you complete the repair?

--

Go to Content Theft Deterrent (CTD) System Check

--

10

Replace the RFA module. Refer to Remote Control Door Lock Receiver Replacement in Keyless Entry.

Did you complete the repair?

--

Go to Content Theft Deterrent (CTD) System Check

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