For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 |

1. Use a test lamp in order to backprobe between the driver/passenger seat adjuster motor assembly connector C1 terminal A and ground.
2. Set and hold the driver/passenger entire seat adjuster switch to forward.

Does the test lamp light?

--

Go to Step 2

Go to Step 7

2 |

1. Use a test lamp in order to backprobe between the driver/passenger seat adjuster motor assembly connector C1 terminal B and ground.
2. Set and hold the driver/passenger entire seat adjuster switch to back.

Does the test lamp light?

--

Go to Step 3

Go to Step 10

3 |

1. Use a test lamp in order to backprobe between the driver/passenger seat adjuster motor assembly connector C1 terminal A and terminal B.
2. Set and hold the driver/passenger entire seat adjuster switch to forward and then release.
3. Set and hold the driver/passenger entire seat adjuster switch to back and then release.

Does the test lamp light in both directions?

--

Go to Step 4

Go to Step 9

4 | Inspect for a poor connection at the driver/passenger seat adjuster motor assembly connector C1 terminal A or terminal B. Does a poor connection exist at the driver/passenger seat adjuster motor assembly connector C1 terminal A or terminal B? | -- | Go to Step 5 | Go to Step 6
5 |

1. Repair the poor connection at the driver/passenger seat adjuster motor assembly connector C1 terminal A or terminal B.
2. Inspect the system.

Is the repair complete?

--

Go to Symptoms - Seats

--

6 |

1. Replace the driver/passenger seat adjuster motor assembly. Refer to Power Seat Adjuster Mechanism Replacement
2. Inspect the system.

Is the repair complete?

--

Go to Symptoms - Seats

--

7 | Inspect for the following conditions in CKT 285:

• | A poor condition

• | An open

Does a poor connection or an open exist in CKT 285?

--

Go to Step 8

Go to Step 9

8 |

1. Repair the following conditions in CKT 285:

• | A poor connection

• | An open

2. Inspect the system.

Is the repair complete?

--

Go to Symptoms - Seats

--

9 |

1. Replace the driver/passenger seat adjuster switch. Refer to Power Seat Switch Replacement
2. Inspect the system.

Is the repair complete?

--

Go to Symptoms - Seats

--

10 | Inspect for the following conditions in CKT 284:

• | A poor condition

• | An open

Does a poor connection or an open exist in CKT 284?

--

Go to Step 11

Go to Step 9

11 |

1. Repair the following conditions in CKT 284:

• | A poor connection

• | An open

2. Inspect the system.

Is the repair complete?

--

Go to Symptoms - Seats

--