For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Power Sunroof System Check ? | -- | Go to Step 2 | Go to Power Sunroof System Check
2 |

1. Turn the ignition switch to RUN.
2. Close the sunroof.
3. Turn the ignition switch to OFF.
4. Disconnect the sunroof control module connector C2.
5. Using a J 39200 digital multimeter (DMM), measure the resistance between connector C2 terminals 1 and 8.

Is the measured resistance less than the specified value?

5ohms

Go to Step 4

Go to Step 3

3 | Inspect CKT 132 (RED) and CKT 133 (YEL) for an open. Are the circuits OK? | -- | Go to Step 10 | Go to Step 4
4 | Repair the open in CKT 132 (RED) or CKT 133 (YEL). Is the repair complete? | -- | Go to Step 11 | --
5 |

1. Open the sunroof using the following method:

1.1. | Partially lower the headliner.

1.2. | Locate the slot in the track transmission.

1.3. | Using a flat-bladed screwdriver, apply upward pressure to release the clutch and manually turn the transmission.

2. Measure the resistance between connector C2 terminals 8 and 1.

Is the measured resistance less than the specified value?

Infinite (OL)

Go to Step 10

Go to Step 6

6 | Measure the resistance between connector C2 terminal 8 and ground. Is the measured resistance less than the specified value? | Infinite (OL) | Go to Step 7 | Go to Step 9
7 | Inspect CKT 132 (RED) for a short to ground. Is the circuit OK? | -- | Go to Step 10 | Go to Step 8
8 | Repair the short to ground in CKT 132 (RED). Is the repair complete? | -- | Go to Step 11 | --
9 |

1. Inspect connector C2 for poor terminal contact.
2. If OK, replace the sunroof control module. Refer to Power Sunroof Express Module Replacement .

Is the repair complete?

--

Go to Step 11

--

10 | Replace the sunroof actuator. Refer to Power Sunroof Motor Replacement . Is the repair complete? | -- | Go to Step 11 | --
11 |

1. Make sure any components removed during diagnosis are installed in place and that all connectors are connected.
2. Repeat the system check. Refer to Power Sunroof System Check .

Is the system check complete?

--

System OK

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