For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
DEFINITION: LH or RH front side door lock switch lamp is inoperative.
1 | Was the Interior Lights System Check performed? | -- | Go to Step 2 | Go to Interior Lamps System Check .
2 |

1. Turn the ignition to the ON position.
2. Determine which front side door lock switch lamp is inoperative.

Is the LH front side door lock switch lamp inoperative?

--

Go to Step 8

Go to Step 3

3 |

1. Disconnect the RH front side door lock switch connector.
2. Turn the ignition switch to the ON position.
3. Use the DMM to measure the voltage between terminal 3 of the RH front side door lock switch connector and a known good ground.

Is the measured voltage within the specified value?

B+

Go to Step 5

Go to Step 4

4 |

1. Locate an open or a high resistance in circuit AP807.
2. Repair the open or the high resistance in circuit AP807.

Is the repair complete?

--

Go to Step 13

--

5 | Use the DMM to measure the resistance between terminal 4 of the RH front side door lock switch connector and a known good ground. Is the measured resistance within the specified value? | Less than 5 ohms | Go to Step 7 | Go to Step 6
6 |

1. Locate an open or a high resistance in circuit F12.
2. Repair the open or the high resistance in circuit F12.

Is the repair complete?

--

Go to Step 13

--

7 | Replace the RH front side door lock switch. Refer to Door Lock Switch Replacement in Doors. Is the replacement complete? | -- | Go to Step 13 | --
8 |

1. Disconnect the LH front side door lock switch connector.
2. Turn the ignition switch to the ON position.
3. Use the DMM to measure the voltage between terminal 3 of the LH front side door lock switch connector and a known good ground.

Is the measured voltage within the specified value?

B+

Go to Step 10

Go to Step 9

9 |

1. Locate an open or a high resistance in circuit AP807.
2. Repair the open or the high resistance in circuit AP807.

Is the repair complete?

--

Go to Step 13

--

10 | Use the DMM to measure the resistance between terminal 4 of the LH front side door lock switch connector and a known good ground. Is the measured resistance within the specified value? | Less than 5 ohms | Go to Step 12 | Go to Step 11
11 |

1. Locate an open or a high resistance in circuit F12.
2. Repair the open or the high resistance in circuit F12.

Is the repair complete?

--

Go to Step 13

--

12 | Replace the LH front side door lock switch. Refer to Door Lock Switch Replacement in Doors. Is the replacement complete? | -- | Go to Step 13 | --
13 |

1. Connect all connectors and components that were disconnected.
2. Verify that the LH and RH front side door lock switch lamps operate properly.

Do the LH and RH front side door lock switch lamps operate properly?

--

Go to Interior Lamps System Check .

Go to Step 1