Toyota RAV4 manuals

Toyota Sienna Service Manual: Diagnosis system

1. CHECK DLC3

CHECK DLC3

  1.  The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format.

CHECK DLC3

NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the ignition switch, any other switches or the doors.

If the result is not as specified, the DLC3 may have a malfunction. Repair or replace the harness and connector.

CHECK DLC3

  1.  Connect the cable of the intelligent tester to the DLC3, turn the ignition switch to the ON position and attempt to use the intelligent tester. If the screen displays a communication error message, a problem exists in the vehicle side of the tester side.

HINT:

Terminals of ECU
1. CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)  Disconnect the B6, 1C, 1K and 1L J/B connectors. Measure the voltage and resistance according to the value(s) in th ...

Data list / active test
1. READ DATA LIST HINT: Using the intelligent tester's DATA LIST allows switch, actuator and other item values to be read without removing any parts. Reading the DATA LIST early in troubleshootin ...

Other materials:

Brake Switch
DESCRIPTION The stop light switch is a duplex system that transmits two signals: STP and ST1-. These two signals are used by the ECM to monitor whether or not the brake system is working properly. If the signals, which indicate the brake pedal is being depressed or released, are detected ...

Disassembly
1. REMOVE CONTROL KNOB SUB-ASSEMBLY (for Manual Air Conditioning System) (a) Remove the control knob sub-assembly. 2. REMOVE AIR CONDITIONING CONTROL BULB (a) Remove the air conditioning control bulb. Reassembly 1. INSTALL AIR CONDITIONING CONTROL BULB 2. INSTALL CONTROL KNOB SUB-ASSEM ...

Skid Control Buzzer Circuit
DESCRIPTION The skid control buzzer sounds and SLIP indicator blinking during VSC operation. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SKID CONTROL BUZZER) (a) Connect the intelligent tester to the DLC3. (b) Start the engine. (c) Select the ...

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