Toyota 4Runner: Precaution

Toyota 4Runner Service Manual / Vehicle Exterior / Exterior Panels / Trim / Automatic Running Board Ecu / Precaution

PRECAUTION

1. PRECAUTION FOR SIDE AUTO STEP ECU

(a) When the side auto step controller ECU assembly is replaced, the side auto step controller ECU assembly must be initialized (See page ).

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Components
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Open Circuit in IG1/IG2 Power Source Circuit (C1242)
DESCRIPTION If there is a problem with the master cylinder solenoid (skid control ECU) power supply circuit, the skid control ECU stores DTCs and prohibits operation under the fail-safe function. If the voltage supplied to the IG2 terminal is within the ...