Toyota RAV4 manuals

Toyota Sienna Service Manual: Problem symptoms table

RESULT LIST OF CHECK CAN BUS LINE

Symptom

Suspected Area

All ECUs and sensors connected to the CAN communication system are not displayed on intelligent tester CAN Bus Line
The result of "CAN BUS WIRE CHECK" is "Open in CAN Main Bus Line". Open in CAN Main Bus Line
The result of "CAN BUS WIRE CHECK" is "Short in CAN Bus Lines". Short in CAN Bus Lines
The result of "CAN BUS WIRE CHECK" is "Short to B+ in CAN Bus Line". Short to B+ in CAN Bus Line
The result of "CAN BUS WIRE CHECK" is "Short to GND in CAN Bus Line". Short to GND in CAN Bus Line

COMMUNICATION STOP MODE TABLE

Symptom

Suspected Area

Engine not displayed on intelligent tester 1. ECM Communication Stop Mode
Gateway not displayed on intelligent tester 1. Gateway ECU Communication Stop Mode
ABS/ VSC/ TRC not displayed on intelligent tester. *1 1. Skid control ECU Communication Stop Mode
Yaw rate/ deceleration sensor not displayed intelligent tester. *1 1. Yaw Rate Sensor Communication Stop Mode
Steering angle sensor not displayed on intelligent tester. *1 1. Steering Angle Sensor Communication Stop Mode
Distance control not displayed on intelligent tester. *2 1. Distance Control ECU Communication Stop Mode

HINT:

How to proceed with troubleshooting
NOTICE: DTCs for the CAN communication system are as follows: U0073, U0100, U0122, U0123, U0124, U0126 and U1101. HINT: If U0235 or U1102 is output alone, the CAN communication is normal 1 CHECK ...

Terminals of ECU
1. JUNCTION CONNECTOR Junction connector with VSC HINT: *1: with Dynamic laser cruise control without VSC CAN junction connector (with VSC) with VSC The connection ...

Other materials:

Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier
DESCRIPTION The radio receiver sends a sound signal to the stereo component amplifier through this circuit. The sound signal that has been sent is amplified by the stereo component amplifier, and then is sent to the speakers. If there is an open or short in the circuit, sound cannot be h ...

Disassembly
1. REMOVE PARKING BRAKE PEDAL BRACKET PROTECTOR (a) Using a flat-head screwdriver, disengage the 2 claws on the parking brake pedal bracket protector. (b) Turning the parking brake pedal bracket protector clockwise, remove the parking brake pedal bracket protector from the parking brake ...

Removal
CAUTION:  Wear safety gloves, because the sharp surfaces of the seatback frame and seat adjuster may injure your hand.  Work must be started more than 90 seconds after the ignition switch is turned to the LOCK position and the negative (-) terminal cable is disconnected from ...

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