For 1990-2009 cars

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

1. Disconnect the electronic compass module connector.
2. Turn the ignition switch to RUN.
3. Connect a J 39200 .
4. Test CKT 1141 cavity 9 of the electronic compass module to ground for open or short to ground.

Does the voltage measure in the specified range?

10-15 V

Go to Step 3

Go to Step 4

3 |

1. Connect a J 39200 .
2. Test CKT 1141 cavity 9 to cavity 10 of the electronic compass module to ground for open or short to ground.

Does the voltage measure in the specified range?

10-15 V

Go to Step 6

Go to Step 5

4 | Inspect for an open or short to ground in CKT 1141 (BRN). Was there a problem with CKT 1141 (BRN)? | -- | Go to Step 13 | --
5 | Inspect for an open or short to ground in CKT 251 (BLK/WHT). Was there a problem with CKT 251 (BLK/WHT)? | -- | Go to Step 14 | --
6 |

1. Turn the ignition switch to the OFF position.
2. Disconnect the instrument cluster connector C2.
3. Connect a J 39200 .
4. Test for an open or high resistance in CKT 337 (TAN/WHT) between the electronic compass module cavity B and Instrument Cluster C2 cavity B5.

Is the resistance less than the specified range?

5 ohms

Go to Step 8

Go to Step 7

7 | Inspect for an open or short to ground in CKT 337 (TAN/WHT). Was there a problem with CKT 337 (TAN/WHT)? | -- | Go to Electronic Compass System Check | Go to Step 15
8 |

1. Turn the ignition switch to the OFF position.
2. Disconnect the instrument cluster connector C2.
3. Connect a J 39200 .
4. Test for an open or high resistance in CKT 336 (PPL/WHT) between Cavity 7 of the electronic compass module and instrument cluster C2 cavity B7.

Does the resistance measure less than the specified value?

5 ohms

Go to Step 10

Go to Step 9

9 | Inspect for an open or short to ground in CKT 336 (PPL/WHT). Was there a problem with CKT 336 (PPL/WHT)? | -- | Go to Electronic Compass System Check | Go to Step 16
10 |

1. Install a known good electronic compass module.
2. Drive the vehicle. Make several turns.

Does the compass display indicate a new direction when the vehicle turns?

--

Go to Step 11

Go to Step 12

11 | Inspect for loose or corroded terminals at the electronic compass module connector. Are the connector terminals OK? | -- | Go to Step 19 | Go to Step 17
12 | Inspect for loose or corroded terminals at the instrument cluster connector. Are the terminal connectors OK? | -- | Go to Step 18 | Go to Step 17
13 | Repair the open or short to ground on CKT 1141 (BRN). Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Electronic Compass System Check | --
14 | Repair the open or short to ground on CKT 251 (BLK/WHT). Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Electronic Compass System Check | --
15 | Repair the open or short to ground on CKT 337 (TAN/WHT). Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Electronic Compass System Check | --
16 | Repair the open or short to ground in CKT 336 (PPL/WHT) Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Electronic Compass System Check | --
17 | Repair the poor terminal contact. Is the repair complete? | -- | Go to Electronic Compass System Check | --
18 | Replace the instrument cluster. Refer to the appropriate procedure:

• | Instrument Cluster Replacement

• | Instrument Cluster Replacement

• | Instrument Cluster Replacement

Is the replacement complete?

--

Go to Electronic Compass System Check

--

19 | Replace the electronic compass module. Refer to Electronic Compass Module Replacement . Is the repair complete? | -- | Go to Electronic Compass System Check | --