Question about 1992 Subaru Legacy

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Its never worked since I bought the car no engine light the cruise button lights up when engadged but the acc/ set lever does not set speed it doesn't do anything any suggestions?

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  • Subaru Expert
  • 180 Answers

The most common issue with the older legacy cruise control units was either the clockspring wiring or the main control unit has becomes faulty. The clockspring is behind the steering wheel and the coil wiring inside dries out and breaks. The fix is to replace the clockspring or just the coil wiring inside. The main unit can fail one of two ways either the vacuum hose leaks from age and drying out or the internal seals fail.



There is the possibility its an electrical fault so here is the basic wiring info
Its never worked since I bought the car no engine  - 25619452-z20fcugv21xwibs0uvu0s2bs-3-0.png the control unit is mounted in the passenger kick panel
below is a link to a pic of the unit
http://static1.1.sqspcdn.com/static/p/345621/2382299/1242924459317/control+unit+cruise+control++87022aa190.jpg?asGalleryImage=true&token=aeE7CTOFS%2BUqHxvHASfLl9z%2BytU%3D

Posted on Apr 18, 2015

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

alicantecoli
  • 22095 Answers

SOURCE: After oil change, check engine

dealer only software neede to reset this problem.sorry i couldnt be any more help but try reading the software whens it encrypted ??

Posted on Dec 22, 2008

bschilz
  • 2049 Answers

SOURCE: check engine light and flashing cruise light always on

To properly diagnose problem and the seriousness of it, you should either purchase an OBD2 code reader or take it to a mechanic to read the code and diagnose the problem based on the code. I've also heard you can go to an Autozone store and their staff will let you use their code reader for free.
The OBDII port is located just inches below the steering wheel.

Posted on Aug 11, 2009

  • 4088 Answers

SOURCE: check engine light, cruise control light flashing,

Take the car to Autozone or similar business for a free code read with a scanner. Depending on what turns up, they will be happy to sell you any needed parts.

Posted on Dec 26, 2009

dj_relly999
  • 4070 Answers

SOURCE: After having 90,000 service my

Hi and welcome to FixYa!

It's definitely a cruise control relay failure. If the relay is faulty issues like this occurs. But before replacing the relay I strongly suggest that you remove the positive battery connector. Let it sit for atleast 5mins. then reconnect it again. Go for a few runs and observe if the cruise control is working again. Removing the positive battery connector will reset the system and may get the car back to it's normal operation.

If it still doesn't help then it's definitely the relay.

Hope this helps and thank you for using FixYa! Have a good one!

Posted on Jan 01, 2011

5LTRBTR
  • 180 Answers

SOURCE: Subaru legacy 2.0 re mk iv engine management light on and cruise control light flashing? cruise control has stopped working!

You need to get it scanned to find out what the issue is.
Tthe cruise control not functioning is a safety feature that saves the engine and transmission from possible damage due to the fault.

Posted on Dec 14, 2014

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Check your repair manual where the vacuum hoses for the cruise controls are (engine bay). Maybe one of the hoses came off or has a leak.

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Could be the problem; however it is more likely to be under the hood where the cruise actuator is located - check the electrical connections on the actuator and the linkage between the actuator and the accelerator lever on the engine. Also, if the cruise control uses a diaphragm to control the accelerator, it may be leaking or the vacuum line to it may have fallen off - check the vacuum at the actuator with the engine running.

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Cruise control not working


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Cruise control no working on 2001 f-150 4 x 4 5.4


Did you have the recall done ?
recall 05S28. Description: Speed Control Deactivation Switch.

Try the self test for the Cruise Control :


With the key off depress and hold the cruise control off button while turning the ignition to the run position,don't start the truck, the cruise light will flash once to let you know it is in self test.
Five additional flashes indicate a bad cruise control servo

Release the cruise off switch and within 5 seconds depress the other switches in sequence:
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4. set/ accel
The speed control light will flash as each switch is depressed.

If the last one does not flash it may then flash a code

After this the cruise will move the throttle to test the actuator and the cable.
Make sure the throttle returns to idle and turn the key off.
----------------------

Self-Test Diagnostics

WARNING:
This test is a key on engine off (KOEO) test only that is conducted in park only with emergency brake fully engaged.

1. Enter self-test diagnostics by depressing the speed control OFF switch while turning the ignition key ON, making sure the engine does not start and is not running. The speed control indicator on the instrument panel will flash once to indicate that speed control module entered the diagnostic mode. Five additional flashes at this point indicate a defective speed control servo. Release the OFF switch.

2. Press the remaining switches in this sequence: ON, RESUME, COAST and SET/ACCEL.

If the ON switch is not depressed within five seconds after entering the diagnostics mode, the module times out and the procedure must be started over.

The speed control indicator lamp will flash as each switch is depressed. Press each switch in the sequence immediately after the indicator light goes out for the previous switch.

Note:
There will be a slight delay when the last button is pressed and the lamp flashes.

3. A lamp flash with the last button (SET/ACCEL) indicates that the static test passed. If the lamp does not flash with the last button and there are no additional flashes of the lamp, the switch is defective.

If the lamp does not flash with the last button, and additional flashes occur, follow the chart below for trouble codes:

- 2 flashes - BPP defective, circuit is defective, brake applied, CPP switch or jumper (if equipped).

- 3 flashes - deactivator switch is open or circuit defective.

- 4 flashes - vehicle speed signal is out of range or circuit is defective

4. Immediately (.25 second delay) after the static test, the speed control servo does a dynamic test by automatically actuating the throttle lever from 8 mm (0.315 in) to 12 mm (0.472 in) of travel from the idle position. During the dynamic throttle pull, observe throttle movement to witness any binding or sticking of the speed control cable and correct connection of speed control cable to throttle lever. Make sure the throttle returns to the idle position.

5. Return the ignition switch to the OFF position and proceed to the Symptom Chart.

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This problem is on a 1998 740iL. When I press the steering wheel cruise control activator - the green indicator light comes on but when I press the "set" (+) button it does not engage and the car does not...


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Check this out also...the schematic is too small to see which fuse it is in the engine compartment Power Distribution Center (the fuse box). Is your cruise control not working?

Cruise Control The Cruise Command system is electrically actuated and vacuum operated. The turn signal lever on the steering column incorporates a slide switch which has three positions OFF, ON or RESUME. A SET button is located in the end of the lever. This device is designed to operate at speeds above approximately 35 mph (56 km/h).
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Exploded view of the cruise control switch and related components


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vehicle speed sensor location

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