Toyota 4Runner O/D Off Light Flashing

25 Мар 2015 | Author: | No comments yet »
Toyota Hilux/4runner (4wd)

Questions and Answers

Toyota O/D Off Light Flashing

Q. Hello recently I’ve been an intermittent problem with my Toyota 4Runner 4WD automatic at times, when I accelerate 0 mph at a stop light or stop the car speeds up very, very It’s as if the car is in second gear not The RPMs are around 3,000, is normal, but the acceleration is eerily

Then once the car reaches 15 mph it resumes normal acceleration. this slow acceleration for the first time in a particular session, the O/D Off light blinks on and According to the manual, this that I should contact my dealer as there may be a problem the transmission.

The light will blink on and off for from 30 seconds to a few minutes it will stop on its own. It may or may not blinking again some later in that same session. The slow acceleration may only once or it may happen a few before the car returns to normal The car’s return to normal and the ending of the blinking of the O/D Off light at the same time approximately.

else to note: when the acceleration takes place the car not begin to roll forward I release my foot from the Every time, up till the car would begin to roll after releasing the brake, it is an automatic.

I’ve tried to with my local mechanic in the car but we seem to re-create the slow problem when he is there. I you can provide me with some about this situation.

1990 Toyota 4Runner 4WD

3.0 V-6

Automatic transmission


Thanks for your time!

A. A self-diagnosis function is built the electrical control system. is indicated by the overdrive OFF indicator

Note . Warning and diagnostic can be read only when the switch is ON . If OFF . the overdrive OFF light is lit and will not blink.

If a malfunction within the speed sensors or 2) or solenoids (No.1, 2 or 4), the overdrive OFF will blink to warn the However, there will be no of a malfunction with lock-up

The diagnostic code can be read by the of blinks of the overdrive OFF indicator when terminals TE1 and E1 are connected.

The position sensor or brake are not indicated, but inspection can be made by the voltage at terminal TT of the check

The signals to each gear can be by measuring the voltage at terminal TT of the connector while driving.

The code (trouble code) is in memory by the CPU (of TCCS ECU) and due to voltage, is not canceled out when the is turned off. Consequently, repair, it is necessary to turn the switch off and remove the fuse EFI or disconnect the TCCS ECU connector to out the diagnostic (trouble) code.

Note . Low battery voltage cause faulty operation of the system. Therefore. always the battery first. Use a voltmeter and that have an impedance of at 10K Ohm/Volt.

Check O/D Off Indicator

Toyota Hilux/4runner (4wd)

Turn the ignition switch ON.

The O/D Off will come on when the O/D is placed at OFF.

When the O/D is set to ON, the O/D Off light should go out. If the O/D Off flashes when the O/D switch is set to ON, the control system is faulty.

Diagnostic Code:

Turn switch and o/d switch to ON . Do not start the Engine NOTE: Warning and codes can be read only the overdrive switch is ON . If OFF . the overdrive OFF will light continuously and not blink.

Connect TE1, and E1, terminals of connector.

Read the diagnostic as indicated by the number of times the O/D OFF flashes.

Diagnostic Code

#149; If the system is operating the light will flash two per second.

#149; In the event of a the light will flash 1 per second. The number of blinks equal the first number after 1.5 seconds pause, the number of the two digit diagnostic If there are two or more codes, will be a 2.5 seconds pause each.

NOTE . In the event of trouble codes occurring indication will begin the smaller value and continue to the

Additional Information provided of ALLDATA

Toyota Hilux/4runner (4wd)
Toyota Hilux/4runner (4wd)
Toyota Hilux/4runner (4wd)

Toyota Hilux/4runner (4wd)

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