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:

Reassembly
1. INSTALL PLANETARY GEAR (a) Apply grease to the planetary gears and pin parts of the planetary shaft. (b) Install the 3 planetary gears. 2. INSTALL STARTER ARMATURE ASSEMBLY (a) Apply grease to the plate washer and the armature shaft. (b) Install the starter armature to the star ...

Removal
1. Remove rear wheel 2. Remove skid control sensor wire (for 2wd) Hint: (see page sp-38) hint: disconnect the rh side by the same procedures as the lh side. 3. SEPARATE SPEED SENSOR REAR LH (for 4WD) HINT: (See page SP-38) 4. SEPARATE SPEED SENSOR REAR RH (for 4WD) HINT: Separate the RH ...

Hood
Release the lock from the inside of the vehicle to open the hood. Pull the hood lock release lever. The hood will pop up slightly. Pull up the auxiliary catch lever and lift the hood. Hold the hood open by inserting the supporting rod into the slot WARNING ...

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