Question about 2004 Isuzu Rodeo
Obviously check 4wd light is on and 4wd is not functioning(4H,4L) actuators in the transfer case and front axle was already replaced with brand new unit as we suspect it the cause of the problem.But is not.Apparently no 12v supply goes to the other end of the harness to trigger the actuators whenever you press 4H or 4L pushbutton in the dashboard.If only i know the procedure on how to reset or turn off the check 4wd light that could have restore the system function.We try to use a scanner hoping we could erase the trouble code unfortunately our equipment could not read anything about transmission or powertrains.I'm 100% sure no problem with the trans or transfer case.Thank you!
A mere 2,400km into the life of my 07 Rodeo TD 4WD, I used 4L for about 2km of medium-steep/slippery track. After stopping and selecting 2WD the 'Check 4WD' light appeared, meaning I was stuck in 2WD for the rest of that trip. Luckily I was able to complete the trip in 2WD without incident.
The dealer blamed me for 'not following the instructions in the manual' (utter codswallop), 'fixed' it, and very reluctantly gave me a scribbled set of instructions on resetting the system, which I've included below.
When I suggested that these instructions should be included in the manual, the response was 'not necessary if owners use the system correctly'. More cods.
Here's how to reset it:
1. Ignition off, hold all 3 buttons (2H, 4H & 4L) in together
2. Switch ignition on to 'reds' position (last position before start)
3. Hold in this state for 30 seconds
Hope this may be of use !!
Posted on Jan 06, 2010
I did this a few days back and is all fixed. Can email a picture/diagram for anyone that needs it.
Posted on Apr 24, 2009
Reset of the 4wd controller is performed by removal of the drivers seat for access to the controller.unbolt the controller for easier access,bridge terminals 1(topleft) of 20 pin connecter with terminal 9(bottomleft) of 16 pin connector as well as terminals 10 and 16 of 16 pin connector. turn on ignition for 3 seconds remove bridges and recheck
Posted on Apr 23, 2009
Tips for a great answer:
When the actuator pump is not working (by not applying pressure) the other front wheel should remain stationary while the wheel turned by hand is turning.
Install the actuator pressure gauge to the actuator pump assembly (1) .
Install a voltmeter and the battery to the pump assembly (1) .
Tighten the adjusting knob as far as it will stop and the air check side opening by a hose as a blind plug.
Check that the actuator assembly motor starts to run (a running sound can be heard) when the battery is connected and when it stops when specified pressure is obtained. Specified pressure is: 38.0- 58.0 kPa (5.40 -- 8.25 psi).
Ensure that the voltmeter is within specifications when the motor is running should be about 0v and when the motor has stopped it should be about 10 -- 14v
good luck !
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