For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Remote Keyless Entry System Check? | -- | Go to Step 2 | Go to Remote Keyless Entry System Check
2 | Is the remote keyless entry system inoperative from both transmitters? | -- | Go to Step 3 | Go to Step 4
3 | Reprogram the transmitters. Refer to Transmitter Programming . Do the transmitters now work? | -- | Go to Step 11 | Go to Step 5
4 |

1. Replace the transmitter battery.
2. Resynchronize the transmitter.

Does the transmitter now work?

--

Go to Step 11

Go to Step 10

5 |

1. Turn the ignition switch to OFF.
2. Disconnect the remote function actuator (RFA) module connector.
3. Measure the voltage between the RFA module connector terminal E16 and ground.

Is the voltage within the specified range?

10-15 V

Go to Step 7

Go to Step 6

6 | Repair the open or short to ground in CKT 1540 (ORN). Is the repair complete? | -- | Go to Step 10 | --
7 | Measure the voltage between the RFA module connector terminals E16 and F16. Is the voltage within the specified range? | 10-15 V | Go to Step 9 | Go to Step 8
8 | Repair the open in CKT 1040 (BLK). Is the repair complete? | -- | Go to Step 11 | --
9 | Replace the RFA module. Refer to Remote Control Door Lock Receiver Replacement . Is the repair complete? | -- | Go to Step 11 | --
10 | Replace the transmitter. Refer to Transmitter Programming . Is the repair complete? | -- | Go to Step 11 | --
11 |

1. Ensure that any components removed during diagnosis are installed in place.
2. Ensure that all of the connectors are connected.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

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