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 Diagnostic System Check - Audible Warnings
2 |

1. Disconnect the multi-function alarm module connector.
2. Place the key in the ignition cylinder.
3. Connect a test lamp between connector C2 terminal D and connector C1 terminal E.

Did the test light illuminate?

--

Go to Step 3

Go to Step 10

3 |

1. Connect a test lamp between connector C2 terminal D and connector C1 terminal E.
2. Remove the key from the ignition cylinder.

Did the test light illuminate?

--

Go to Step 11

Go to Step 4

4 |

1. Connect a test lamp between connector C2 terminal D and connector C1 terminal E.
2. Open the left hand front door.

Did the test light illuminate?

--

Go to Step 5

Go to Step 12

5 |

1. Connect a test lamp between connector C2 terminal D and connector C1 terminal H.
2. Close the left hand front door.

Did the test light illuminate?

--

Go to Step 6

Go to Step 13

6 |

1. Connect a test lamp between connector C2 terminal D and connector C1 terminal G.
2. Open the right hand front door.

Did the test lamp illuminate?

--

Go to Step 7

Go to Step 14

7 |

1. Connect a test lamp between connector C2 terminal D and connector C1 terminal G.
2. Close the right hand front door.

Did the test light illuminate?

--

Go to Step 8

Go to Step 15

8 |

1. Turn the ignition switch to RUN.
2. Connect a test lamp between connector C1 terminal M and ground.

Did the test light illuminate?

--

Go to Step 9

Go to Step 16

9 | Replace the multi-function alarm module. Refer to Multifunction Alarm Module Replacement. Did you complete the repair? | -- | System OK | --
10 | Inspect for an open in CKT 80 and CKT 150 at the ignition switch. Did you find and repair a condition? | -- | System OK | Go to Step 17
11 | Inpect CKT 80 for a short to ground. Did you find and correct a condition? | -- | System OK | Go to Step 17
12 | Inspect CKT 394 and CKT 150 for an open. Did you find and repair a condition? | -- | System OK | Go to Step 18
13 | Inspect CKT 394 for a short to ground. Did you find and repair a condition? | -- | System OK | Go to Step 18
14 | Inspect CKT 395 and CKT 250 for an open. Did you find and repair a condition? | -- | System OK | Go to Step 19
15 | Inspect CKT 395 for a short to ground. Did you find and repair a condition? | -- | System OK | Go to Step 19
16 | Repair an open in CKT 39. Did you find and repair a condition? | -- | System OK | --
17 | Replace the ignition switch. Refer to Ignition Switch Replacement. Did you complete the repair? | -- | System OK | --
18 | Replace the left hand front door handle. Refer to Outside Handle and Lock Cylinder Replacement or Door Inside Handle Replacement in Doors. Did you complete the repair? | -- | System OK | --
19 | Replace the right hand front door handle. Refer to Outside Handle and Lock Cylinder Replacement or Door Inside Handle Replacement in Doors. Did you complete the repair? | -- | System OK | --