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:

Open in CAN Main Bus Line
DESCRIPTION There may be an open circuit in the CAN main bus wire and/or the DLC3 branch wire when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is 69 Ω or higher. Symptom Trouble Area Resistance between terminals 6 (CANH) and 14 (CANL) of t ...

Reassembly
1. INSTALL FRONT DISC (a) Aligning the matchmarks, install the front disc. HINT: Select the installation position where the disc has the minimum runout. 2. INSPECT DISC RUNOUT (a) Temporarily fasten the disc with the hub nuts. Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf) (b) Using a ...

Air Intake Control Circuit
DESCRIPTION The air cleaner is equipped with two inlets, one of which is opened or closed by the Air Intake Control Valve (AICV). This system reduces intake noise and increases engine power at low-to-high engine speed range. When the engine is operating in the low-to-mid speed range, this ...

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