For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Audible Warnings System Check? | -- | Go to Step 2 | Go to Audible Warnings System Check
2 |

1. Remove the key from the ignition switch.
2. Disconnect the body control module (MALL) connector C2.
3. Measure the resistance from connector C2 terminal D2 to ground.

Is the measured resistance less than the specified value?

5 ohms

Go to Step 5

Go to Step 3

3 | Inspect the MALL module connector C2 for proper terminal contact Is the contact OK? | -- | Go to Step 4 | --
4 | Replace the MALL module. Refer to Multifunction Alarm, Lock, and Lighting Module Replacement in Instrument Panel, Gauges, and Console. Is the replacement complete? | -- | Go to Audible Warnings System Check | --
5 | Is the vehicle equipped with keyless entry? | -- | Go to Step 6 | Go to Step 12
6 | Does the keyless entry work? | -- | Go to Step 7 | Go to Keyless Entry for Diagnosis
7 | Inspect CKT 653 (DK BLU/WHT) for a short to ground. Is the circuit OK? | -- | Go to Step 8 | Go to Step 9
8 |

1. Disconnect the remote function actuator (RFA) module.
2. Measure the resistance from terminal E9 (harness side) to ground.

Is the measured resistance less than the specified value?

5 ohms

Go to Step 12

Go to Step 10

9 | Repair the short to ground in CKT 653 (DK BLU/WHT). Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Audible Warnings System Check | --
10 | Inspect the RFA module connector for proper terminal contact. Is the contact OK? | -- | Go to Step 11 | --
11 | Replace the RFA module. Refer to Remote Function Actuator Replacement in Keyless Entry. Is the repair complete? | -- | Go to Audible Warnings System Check | --
12 | Inspect CKT 80 (LT GRN) for a short to ground. Is the wiring OK? | -- | Go to Step 14 | Go to Step 13
13 | Repair the short to ground in CKT 80 (LT GRN). Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the replacement complete? | -- | Go to Audible Warnings System Check | --
14 | Inspect the key in ignition switch for a short to ground. Is the wiring OK? | -- | Go to Audible Warnings System Check | Go to Step 15
15 | Repair the short to ground in the key in ignition switch circuit. Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Audible Warnings System Check | --