## Cruise Control

#### Symptom Troubleshooting Index

4-41

NOTE:

- The numbers in the table show the troubleshooting sequence.
- Before troubleshooting.

- check the No. 10 (7.5 A) and No. 4 (10 A) fuses in the under-dash fuse/relay box, and the No. 7 (15 A) fuse in the under-hood fuse/relay box.
- check that the horn sounds.
- check the tachometer to see if it works properly.

Symptom | Diagnostic procedure | Also check for
Cruise control cannot be set |

1. Check main switch (see page 4-46)
2. Check SET/RESUME/CANCEL switch (see page 4-46)
3. Check brake pedal position switch and mounting (see page 19-5)
4. Check clutch pedal position switch and mounting (M/T) (see page 4-49)
5. Check transmission range switch (A/T) (see page 14-160)
6. Check control unit (see page 4-44)

- Poor ground: G101(A/T), G401(M/T), G501
- Open circuit, loose or disconnected terminals: LT GRN, BLK/ORN, GRY/RED, BLU, LT BLU, BLU/WHT

Cruise control can be set but indicator light does not go on |

1. Check dimming circuit in gauge (see page 22-88)
2. Check control unit (see page 4-44)

- Poor ground: G501
- Open circuit, loose or disconnected terminals: YEL, BLK/YEL

Cruise speed is noticeably higher or lower than what was set |

1. Check vehicle speed sensor (VSS) (see page 22-96)
2. Check actuator (see page 4-47)
3. Check control unit (see page 4-44)

Excessive overshooting or undershooting when trying to set speed |

1. Check actuator (see page 4-47)
2. Check vehicle speed sensor (VSS) (see page 22-96)
3. Check control unit (see page 4-44)

Speed fluctuation on a flat road with cruise control set |

1. Check vehicle speed sensor (VSS) (see page 22-96)
2. Check actuator (see page 4-47)
3. Check control unit (see page 4-44)

Vehicle does not decelerate or accelerate accordingly when SET/RESUME/CANCEL button is pushed |

1. Check SET/RESUME/CANCEL switch (see page 4-46)
2. Check control unit (see page 4-44)

Open circuit, loose or disconnected terminals: GRY/RED, LT GRN/BLK
Set speed not cancelled (engine rpm stays high) when clutch pedal is pushed (M/T) |

1. Check clutch pedal position switch and mounting (see page 4-49)
2. Check control unit (see page 4-44)

Short to ground in the LT BLU wire
Set speed not cancelled when shift lever is moved to Neutral position (A/T) |

1. Check transmission range switch (see page 14-160)
2. Check control unit (see page 4-44)

Short to ground in the LT BLU wire
Set speed not cancelled when brake pedal is pushed |

1. Check brake pedal position switch and mounting (see page 19-6)
2. Check control unit (see page 4-44)

Open circuit, loose or disconnected terminals: WHT/BLK