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. Insert the key into the ignition switch.
2. Open the left front door.
3. Disconnect the body control module (MALL) connector C2.
4. Measure the resistance from connector C2 terminal D2 (harness side) to ground.

Is the measured resistance less than the specified value?

5 ohms

Go to Step 4

Go to Step 3

3 | Is the vehicle equipped with keyless entry? | -- | Go to Step 6 | Go to Step 10
4 | Inspect the MALL module connector C2 for proper terminal contact. Is the contact OK? | -- | Go to Step 5 | --
5 | 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 | --
6 | Does the keyless entry work? | -- | Go to Step 7 | Go to Keyless Entry for Diagnosis
7 | Inspect CKT 653 (DK BLU/WHT) for an open. 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 13

Go to Step 10

9 | Repair the open 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 CKT 80 (LT GRN) for an open. Is the circuit OK? | -- | Go to Step 12 | Go to Step 11
11 | Repair the open in CKT 80 (LT GRN) Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Step 12 | --
12 |

1. Inspect connector C202 for proper connection at terminal A13.
2. Inspect the key in ignition switch for proper operation.

Are the components OK?

--

Go to Audible Warnings System Check

--

13 | Inspect the RFA module connector for proper terminal contact. Is the contact OK? | -- | Go to Step 14 | --
14 | Replace the RFA module. Refer to Remote Function Actuator Replacement in Keyless Entry. Is the replacement complete? | -- | Go to Audible Warnings System Check | --