Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS

3 CHECK INITIAL CHECK FUNCTION

4 PROBLEM SYMPTOMS TABLE

THE CORRESPONDING SYSTEM DOES NOT EXIST (Go to step 5)

5 BASED ON THE MALFUNCTION SYMPTOM, PERFORM THE TROUBLESHOOTING BELOW

  1. Operation check (C).
  2.  Terminals of ECU

6 ADJUST, REPAIR OR REPLACE

7 CONFIRMATION TEST

END

System description
1. GENERAL  This system uses ultrasonic sensors to detect any obstacles at the corners and the rear of the vehicle. The system then informs the driver of the distance between the sens ...

Operation check
1. DETECTION RANGE MEASUREMENT AND INDICATOR CHECK  Turn the IG switch ON.  Move the shift lever to the R position (when the back sonar and rear clearance sonar is checked).   ...

Other materials:

Rear Clearance Sonar Sensor LH Circuit
DESCRIPTION An ultrasonic sensor consists of a sensor portion that transmits and receives ultrasonic waves and a preamplifier that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and sends the received signals to the clearance warning ECU. WIRING DIAGRAM INSPECTION PR ...

Cruise Main Indicator Light Circuit
DESCRIPTION When the cruise control main switch is on, the CRUISE main indicator light and READY indicator light come on. This indicates the control condition (presence or absence of a vehicle in front, vehicle-to-vehicle distance, and set vehicle speed) and fail-safe state through the multip ...

Headlight Relay Circuit
DESCRIPTION The Multiplex network body ECU controls HEAD relay when signal is received from headlight dimmer switch assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER Connect the intelligent tester to DLC3.  Turn the ignition switch ON and ...

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