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:

Rear Blower Motor Circuit
DESCRIPTION Power to the rear blower motor is supplied from the battery via the RR A/C relay. The rear blower motor speed level varies between 0 and 31 based on the voltage difference measured between the terminals of the motor. The voltage difference measured between the terminals of th ...

Short in Side Squib LH Circuit
DTC B0115/47 Short in Side Squib LH Circuit DESCRIPTION The side squib LH circuit consists of the center airbag sensor assembly and the front seat side airbag assembly LH. This circuit instructs the SRS to deploy when deployment conditions are met. DTC B0115/47 is recorded when a short ci ...

Removal
1. DRAIN ENGINE COOLANT 2. REMOVE V-BANK COVER SUB-ASSEMBLY 3. REMOVE NO. 2 AIR CLEANER INLET 4. REMOVE NO. 1 AIR CLEANER INLET 5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY 6. REMOVE AIR CLEANER CASE SUB-ASSEMBLY 7. REMOVE ENGINE COOLANT TEMPERATURE SENSOR  Remove the engine coolant tem ...

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