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:

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 ...

Data list / active test
1. DATA LIST HINT: Using the DATA LIST displayed on the intelligent tester, you can read the value of the switch, sensor, actuator, etc. without parts removal. Reading the DATA LIST as the first step of troubleshooting is one way to shorten the labor time.  Connect the intelligent tes ...

Customize parameters
HINT: The following items can be customized. NOTICE:  After confirming whether the items requested by the customer are applicable or not for customization, perform customize operations.  Be sure to record the current settings before customizing.  When troubleshooting, ...

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