For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the Cruise Control System Check performed? | -- | Go to Step 2 | Go to Cruise Control System Check
2 |

1. Turn ignition ON.
2. Depress and release the CRUISE ON OFF button.

Does the cruise indicator lamp light?

--

Go to Step 10

Go to Step 3

3 | Test for an open ECU-IG fuse in junction block 2 located behind the storage box cover on the left hand side of the instrument panel. Is the fuse open? | -- | Go to Step 4 | Go to Step 7
4 |

1. Turn ignition OFF.
2. Disconnect the cruise control module connector. Refer to Cruise Control Module Replacement .
3. Connect a J 39200 set to measure resistance between terminal 9 of the cruise control module connector and ground.

Is the resistance equal to the specified value?

Infinite

Go to Step 6

Go to Step 5

5 | Repair the short to ground in the BLK/YEL wire between terminal 9 of the cruise control module connector and terminal 8 on connector C4 of junction block 2. Is the repair complete? | -- | Go to Step 44 | --
6 |

1. Replace the ECU-IG fuse in junction block 2.
2. Reconnect the cruise control module connector.
3. Turn ignition switch to ON.
4. Depress and release the CRUISE ON OFF switch.

Does the new fuse open?

--

Go to Step 43

Go to Step 7

7 |

1. Turn ignition OFF.
2. Disconnect the cruise control module connector. Refer to Cruise Control Module Replacement .
3. Connect a J 39200 set to measure resistance between terminal 16 of the cruise control module connector and ground.

Is the resistance within the specified range?

0-2 ohms

Go to Step 8

Go to Step 29

8 |

1. Turn ignition ON.
2. Connect a J 39200 set to measure voltage between the cruise control module connector terminal 9 and ground.

Is the voltage within the specified range?

10-15 V

Go to Step 10

Go to Step 9

9 | Repair the open between the cruise control module connector terminal 9 (BLK/YEL) and connector C4 terminal 8 of the junction block 2. Is the repair complete? | -- | Go to Step 44 | --
10 |

1. Turn ignition switch to OFF.
2. Disconnect the cruise control module connector.
3. Connect a J 39200 set to measure resistance between cruise control module connector terminal 11 and ground.
4. Depress and hold the cruise control ON OFF button.

Is the resistance reading within the specified range?

0-2 ohms

Go to Step 19

Go to Step 11

11 |

1. Disconnect connector C1 of the inflatable restraint steering wheel module coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement in SIR.
2. Connect a J 39200 set to measure resistance between terminal 5 of the inflatable restraint steering wheel module coil connector and terminal 11 of the cruise control module connector.

Is the resistance reading within the specified range?

0-2 ohms

Go to Step 13

Go to Step 12

12 | Repair open between terminal 5 of the inflatable restraint steering wheel module coil and the WHT/BLU wire of terminal 11 of the cruise control module. Is the repair complete? | -- | Go to Step 44 | --
13 | With the cruise control connector C2 disconnected.

1. Connect the J 39200 set to measure resistance between the WHT/BLK wire of terminal 3 and the WHT wire of terminal 5 of connector C2.
2. Depress and hold the cruise control button.

Is the resistance reading within the specified range?

0-2 ohms

Go to Step 15

Go to Step 14

14 |

1. Inspect the cruise control switch for poor connection.
2. Replace the cruise control switch. Refer to Cruise Control Switch Replacement .

Is the replacement complete?

--

Go to Step 44

--

15 | With the cruise control switch connector C2 disconnected. Connect a J 39200 set to measure resistance between terminal 3 of the inflatable restraint steering wheel module coil and ground. Is the resistance reading within the specified range? | 0-2 ohms | Go to Step 16 | Go to Step 17
16 |

1. Disconnect connector C1 of the inflatable restraint steering wheel module.
2. Connect a J 39200 set to measure resistance between terminal 3 of connector C2 and terminal 3 of connector C1.

Is the resistance reading within the specified range?

0-2 ohms

Go to Step 10

Go to Step 18

17 | Repair open between terminal 3 of the inflatable restraint steering wheel module coil and ground. is the repair complete? | -- | Go to Step 44 | --
18 | Replace the inflatable restraint steering wheel module coil. Is the replacement complete? | -- | Go to Step 44 | --
19 | With the cruise control module connector still disconnected.

1. Connect a J 39200 set to measure resistance between terminal 10 of the cruise control module connector and ground.
2. Pull the cruise control switch toward the CANCEL position and hold.

Is the resistance reading within the specified range?

400-440 ohms

Go toStep 23

Go to Step 20

20 |

1. Disconnect the cruise control switch connector.
2. Connect a J 39200 set to measure resistance between terminal 3 and terminal 4 of the cruise control switch.
3. Pull the cruise control switch toward the CANCEL position and hold.

Is the resistance reading within the specified range?

400-440 ohms

Go to Step 21

Go to Step 14

21 | With the cruise control switch still disconnected.

1. Disconnect the cruise control module connector.
2. Connect a J 39200 set to measure resistance between terminal 10 of the cruise control module connector and terminal 4 of the inflatable restraint steering wheel module coil.

Is the resistance within the specified range?

0-2 ohms

Go to Step 19

Go to Step 22

22 | Repair the open between the inflatable restraint steering wheel module coil and the GRN/BLK wire of terminal 10 of the cruise control module connector. Is the repair complete? | -- | Go to Step 44 | --
23 |

1. Disconnect the cruise control module connector.
2. Turn ignition to ON.
3. Connect a J 39200 set to measure voltage between terminal 3 of the cruise control module connector and ground.
4. If the vehicle has an automatic transmission, move the shift lever to the D position.

Is the voltage within the specified range?

10-15 V

Go to Step 25

Go to Step 24

24 | Repair the open between terminal 3 (BLU/BLK) wire of the cruise control module connector and B+. Is the repair complete? | -- | Go to Step 44 | --
25 | With the ignition turned to OFF.

1. Disconnect the cruise control module connector.
2. Connect a J 39200 set to measure voltage between terminal 2 of the cruise control module connector and ground.

Is the voltage equal to the specified value?

0 V

Go to Step 30

Go to Step 26

26 | Connect a J 39200 set to measure voltage between terminal 1 of the stoplamp switch connector and ground. Is the voltage equal to the specified value? | 0 V | Go to Step 28 | Go to Step 27
27 | Adjust or replace the stoplamp switch. Refer to Stop Lamp Switch Adjustment or Stop Lamp Switch Replacement . Is the adjustment or replacement complete? | -- | Go to Step 44 | --
28 | Repair the short to B+ between the GRN/WHT wire of terminal 2 of the cruise control module connector and terminal 1 of the stoplamp switch connector. Is the repair complete? | -- | Go to Step 44 | --
29 | Repair the open between WHT/BLK wire of terminal 16 and ground. Is the repair complete? | -- | Go to Step 44 | --
30 | With the ignition turned OFF.

1. Disconnect the cruise control module connector.
2. Connect a J 39200 set to measure resistance between terminal 8 of the cruise control module connector and ground.

Is the resistance reading within the specified range?

30-80 ohms

Go to Step 39

Go to Step 31

31 |

1. Disconnect the stoplamp switch connector.
2. Connect the J 39200 between terminal 3 of the stoplamp switch connector and terminal 8 of the cruise control module connector.

Is the resistance reading within the specified range?

0-2 ohms

Go to Step 33

Go to Step 32

32 | Repair the open in the GRN/BLK wire between terminal 3 of the stoplamp switch and terminal 8 of the cruise control module. Is the repair complete? | -- | Go to Step 44 | --
33 | With the stoplamp switch still disconnected. Connect a J 39200 set to measure resistance between Terminal 3 and terminal 4 of the stoplamp switch. Is the resistance within the specified range? | 0-2 ohms | Go to Step 34 | Go to Step 27
34 | With the stoplamp switch still disconnected.

1. Disconnect the cruise control servo connector.
2. Connect a J 39200 set to measure resistance between the terminal 3 of the cruise control servo connector and terminal 4 of the stoplamp switch.

Is the resistance within the specified range?

0-2 ohms

Go to Step 36

Go to Step 35

35 | Repair the open in the RED/YEL wire between terminal 3 of the cruise control servo connector and terminal 4 of the stoplamp switch connector. Is the repair complete? | -- | Go to Step 44 | --
36 |

1. With the cruise control servo connector still disconnected.
2. Connect a J 39200 set to measure resistance between terminlal 3 and terminal 4 of the cruise control servo.

Is the resistance within the specified range?

30-50 ohms

Go to Step 37

Go to Step 42

37 | With the cruise control servo connector still disconnected. connect a J 39200 set to measure resistance between terminal 4 of the cruise control servo connector and ground. Is the resistance within the specified range? | 0-2 ohms | Go to Step 30 | Go to Step 38
38 | Repair the open between the WHT/BLK wire of terminal 4 of the cruise control servo connector and ground. Is the repair complete? | -- | Go to Step 44 | --
39 | With the cruise control servo connector still disconnected.

1. Connect the POSITIVE lead of a J 39200 to terminal 1 of the cruise control servo.
2. Connect the NEGATIVE lead of a J 39200 to terminal 2 of the cruise control servo.
3. Set the J 39200 to meaure resistance.

Is the resistance within the specified range?

0-2 ohms

Go to Step 40

Go to Step 42

40 |

1. Disconnect Connector C2 of the instrument cluster assembly.
2. Connect a J 39200 set to measure resistance between terminal 9 of C2 of the instrument cluster assembly and terminal 12 of the cruise control module connector.

Is the resistance within the specified range?

0-2 ohms

Go to Step 43

Go to Step 41

41 | Repair the open between the PPL/WHT wire of connector C2 terminal 9 of the instrument cluster assembly and terminal 12 of the cruise control module connector. Is the repair complete? | -- | Go to Step 44 | --
42 |

1. Inspect the cruise control servo connector for poor terminal contact.
2. If OK, replace the cruise control servo. Refer to Cruise Control Servo Replacement .

Is the replacement complete?

--

Go to Step 44

--

43 |

1. Inspect the cruise control module connector for poor terminal contact.
2. If OK, replace the cruise control module. Refer to Cruise Control Module Replacement .

Is the replacement complete?

--

Go to Step 44

--

44 | Install and connect any components removed during diagnosis. Is the repair complete? | -- | Go to Cruise Control System Check | --