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:

Dtc check / clear
1. DTC CHECK (USING SST CHECK WIRE) (a) Check DTCs. (1) Turn the ignition switch off. (2) Using SST, connect terminals TC and CG of DLC3. SST 09843-18040 (3) Turn the ignition switch to the ON position. (4) Read and record any DTCs from the tire pressure warning light on the combin ...

Short to GND in CAN Bus Line
DESCRIPTION A short to GND is suspected in the CAN bus wire when the resistance between terminals 4 (CG) and 6 (CANH), or terminals 4 (CG) and 14 (CANL) of the DLC3 is below 200 Ω. Symptoms Trouble Area The resistance between terminals 6 (CANH) and 4 (CG), or ter ...

Air outlets
Location of air outlets The air outlets and air volume changes according to the selected air flow mode. Adjusting the position of and opening and closing the air outlets Center outlets Right and left side outlets Turn the knob to open or close the vent. Direct air f ...

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