1999 Toyota 4Runner Power Window Diagnosis Procedure

1999 Toyota 4Runner Power Window Diagnosis Procedure

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Additional procedures have been developed to complement the BODY ELECTRICAL – Power Window Control System section of the 1999 4Runner Repair Manual, Vol. 2 (RM663U2). The Troubleshooting and Jam Protection Adjustment procedures detailed in the following pages should be used in conjunction with the Inspection Procedures starting on pages BE–59 through BE–64 of the Repair Manual (RM663U2). POWER WINDOW CONTROL SYSTEM TROUBLESHOOTING 1 One touch power window does not move up and down. (Prepare normal master and regulator switch.) After turning the ignition switch ON and power window regulator switch UP and DOWN on the passenger side, check that the master and regulator switch AUTO light blinks.

* Error is classified into the following 3 types according to the pattern of blinking. UP and DOWN ON OFF Limit switch error Limit switch/Pulse sensor synchronize error 1.5 sec 2 sec Pulse sensor error REPEAT 0.5 sec 1 sec 1.5 sec 2 sec 0.5 sec 1 sec < Reference > REPEAT S When 30 seconds has elapsed since start of blinking, blinking stops. (AUTO light remains ON) S When turning the ignition key OFF, blinking stops. REPEAT or NO Remove the master (regulator) switch. (Connector connection condition) Master (regulator) switch defective. When the fully closed driver’s door is opened, does the voltage between terminals 19 (2) and 20 (3) change from 0 volts to 10~14 volts? NO YES CONTINUED ON NEXT PAGE Disconnect the master (regulator) switch and driver’s / passenger’s power window motor. CONTINUED ON NEXT PAGE