Question about Nissan GT-R

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I own a nissan gtr 33 skyline, after driving some for more than half an hour the lights on my a-lsd and 4 wheel lights uo, and the torque meter is zero indicating that its rear wheel drive after shutting down the car and cool off it goes away and then come back on after half and hour of driving,what the problem?

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  • faisalfugazi Aug 08, 2010

    just recentlty serviced all oils

  • faisalfugazi Aug 09, 2010

    not hicas lights that come on , but 4 wheel drive and a-lsd

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Your have a lsd sensor going bad,replace it and it will be fine but your fluid and filter need to be changeds

Posted on Aug 09, 2010

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The Hicas on all the R33 models are controlled by an electric motor. The small tank in the boot on the GTR's (off-side), is used for the torque convertor for the 4wd, making it near impossible to fill with Nissan Hydro. Type Fluid.

The Hicas light problem, on some models, turned out to be a loose fuse, which also makes the steering tight.
The fuse is located under the steering column next to the bonnet catch lever (small pull out Compartment), and it's about the 5th fuse down from the left. Check it out, don't want your rear wheels turning for no reason due to a malfunction at high speed!. R33 HICAS - use electrical motors.. as they have no hydraulic resevoir tank to fill with Nissan recommended or comparable power steering fluid. Code Diagnosis is as follows: R34 GT-R Hicas Diagnostic Self Diagnostic Procedure
1. Start the engine
2. Within 10 seconds after turning the key to 'ON', start the engine, turn steering wheel from left to right 20 degrees from neutral 5 times or more times & pump the brakes 5 times. Then press the brake pedal again to enter the test mode.
Diagnostic Item Input
1. Move the vehicle one or two meters at a very low speed
2. Turn the steering wheel more than 20 deg right to left once or more.
Diagnostic Item

11 Control unit
12 Motor power supply
13 Motor output
21 Vehicle sped signal
22 Steering angle signal
23 Steering angle netural signal
24 Rear steering angle main sensor signal
25 Rear steering angle sub-sensor signal
33 Engine speed signal
41 Yaw rate signal
300ZX Procedure Turbos come standard with High Capacity Actively Controlled Suspension, a fancy way to say 4 wheel steering. There's a visual diagnostic mode to check for problems in the HICAS functions. The 90-93 TTs have hydrolic HICAS running off the power steering pump, where '94+ utilizes electric actuators to handle the rear steering chores. Their codes are a little different, but the procedure is the same. It might required a few tries to make it work. Be persistant!
Procedure:
1. Ignition switch 'off' manual tranny in neutral or A/T in 'P'
2. Start the engine
3. Within 10 seconds after turning the key to 'ON', start the engine, turn steering wheel from left to right 20 degrees from neutral 5 times or more times & pump the brakes 5 times. Then press the brake pedal again to enter the test mode.
4. Turning the steering wheel left or right past 20 degrees from neutral will cause the rear wheels to turn slightly (~1 degree) (1.).
5. Drive the car forward 15 feet under 9mph to enter the full diagnostic mode.
6. The HICAS dash light will flash a code indicating any problems. Long flash is first digit, short flash is 2nd digit.
7. Diagnostic mode is exited when: ignition is turned off, vehicle speed exceeds 9mph, or diagnostic has operated for 5 minutes.
HICAS light codes for '90-'93:
1. HICAS solenoid R.H.
2. HICAS solenoid L.H.
3. Cut-off valve
4. Power Steering solenoid
5. Vehicle Speed sensor
6. Steering angle sensor
7. Steering Neutral positon sensor
8. A/T: Parking Brake Sensor M/T: Clutch sensor
9. A/T: Inhibitor sensor M/T: Neutral sensor
HICAS light codes for '94-'99:
11. HICAS control unit
12. HICAS motor power supply not present
13. HICAS motor output not present
21. Vehicle speed signal not present
22. Steering angle sensor angle signal not present
23. Steering angle sensor neutral not present
24. Rear main sensor input not present
25. Rear sub sensor input not present
31. Parking brake sensor input not present
32. Inhibitor switch (A/T) or nuetral switch (M/T) input not present
33. Engine speed signal not present

Posted on Aug 08, 2010

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Hello,

Thanks for using FixYa.

All you need to do is to change the LSD oil. I'm sure its been awhile since the last change.

I hope this helps. Thanks and good day.
- HotRatchet

Posted on Aug 07, 2010

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