Toyota RAV4 manuals

Toyota Sienna Service Manual: Diagnosis Circuit

DESCRIPTION

DTC output mode is set by connecting terminals TC and CG of the DLC3.

DTCs are displayed by blinking the SRS warning light.

HINT:

WIRING DIAGRAM

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK MULTIPLEX COMMUNICATION SYSTEM

  1. Check if the multiplex communication system DTC is output.

HINT: The center airbag sensor assembly of this system is connected to the multiplex communication system.

Therefore, before starting troubleshooting, make sure to check that there is no trouble in the multiplex communication system.

OK: The Multiplex communication system DTC is not output.

2 CHECK CAN COMMUNICATION SYSTEM

  1. Use the intelligent tester to check if the CAN communication system is functioning normally.

HINT: The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.

OK: The CAN communication system is functioning normally.

3 CHECK WIRE HARNESS (TC OF DLC3 - TC OF ECM)

CHECK WIRE HARNESS (TC OF DLC3 - TC OF ECM)

  1. Turn the ignition switch to the LOCK position.
  2.  Disconnect the connector from the ECM.
  3.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

4 CHECK WIRE HARNESS (CG OF DLC3 - BODY GROUND)

CHECK WIRE HARNESS (CG OF DLC3 - BODY GROUND)

  1. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

5 CHECK WIRE HARNESS (TC OF DLC3 - BODY GROUND)

CHECK WIRE HARNESS (TC OF DLC3 - BODY GROUND)

  1. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

REPLACE CENTER AIRBAG SENSOR ASSEMBLY

SRS Warning Light does not Come ON
DESCRIPTION WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK BATTERY Measure the voltage of the battery. Standard voltage: 11 to 14 V 2 CHECK CONNECTORS Turn the ignition switch to the LOCK ...

Occupant classification system
...

Other materials:

Folding down the third seats (manual seats)
Before folding the third seats Fold the outside head restraints and lower the center head restraint to the lowest position , and stow the seat belt buckles. Stow the center seat belt. Folding down the third seatbacks Pull the “TO FOLD/LIFT SEATBACK” strap a Return ...

Disposal
1. DISPOSE OF SHOCK ABSORBER ASSEMBLY FRONT LH HINT: Dispose the RH side by the same procedures as the LH side. (a) Fully extend the shock absorber rod. (b) Using a drill, make a hole in the cylinder as shown in the illustration to discharge the gas inside. CAUTION: When dril ...

Installation
HINT:  Use the same procedures for the RH side and LH side.  The procedures listed below are for the LH side. 1. INSTALL REAR AIRBAG SENSOR LH  Check that the ignition switch is off.  Check that the battery negative (-) terminal is disconnected. CAUTION: ...

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