Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

Measure resistance between terminals CANL and CANH of DLC3.

CHECK:

Measure the resistance between terminals CANL and CANH of the DLC3.

Fig 1: Identifying DLC3 Terminals CANH, CANL

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

RESULT:

RESISTANCE MEASURES

Result	Proceed to
1 MΩ or higher	A
108 to 132Ω	B

B : Go to step 3 .
A : Go to next step.

Check for short circuit in harness and connector between junction connector and DLC3.
PREPARATION:

Disconnect the bus line connectors from the junction connector.

CHECK:

Measure the resistance between terminals CANL and CANH of the DLC3.

Fig 2: Identifying Junction Connector And DLC3 Terminals CANH, CANL
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:

Resistance: 1 MΩ or higher
1. NG : Repair or replace harness and connector between junction connector and DLC3 and go to step 3 .
2. OK : Go to next step.
Measure resistance between terminals CANL and CANH of the steering angle sensor wire harness side connector.
PREPARATION:
1. Disconnect the bus line connectors from the junction connector.
2. Disconnect the steering angle sensor connector.
CHECK:

Measure the resistance between terminals CANL and CANH of the steering angle sensor wire harness side connector.

Fig 3: Identifying Junction Connector & Steering Angle Sensor Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:

Resistance: 108 to 132 Ω
1. NG : Repair or replace harness and connector between junction connector and steering angle sensor.
2. OK : Go to next step.
Measure resistance between terminals CANL and CANH of steering angle sensor.
PREPARATION:
1. Disconnect the bus line connectors from the junction connector.
2. Disconnect the steering angle sensor connector.
CHECK:

Measure the resistance between terminals CANL and CANH of the steering angle sensor.

Fig 4: Identifying Junction Connector & Steering Angle Sensor Terminals CANH, CANL
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:

Resistance: 108 to 132 Ω
1. NG : Go to step 5 .
2. OK : If same code is still output after DTC is deleted, check contact condition of each connection. If connections are normal, ECU may be defective.
Measure input voltage of the steering angle sensor.
PREPARATION:
1. Remove the steering wheel and column lower cover (see REMOVAL ).
2. Disconnect the steering angle sensor connector.
CHECK:
1. Turn the ignition switch ON.
2. Measure the voltage between terminals 1 and 2, and 2 and 3 of the steering angle sensor harness side connector.
  
  Fig 5: Identifying Steering Angle Sensor Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK:
  
  Voltage: 10 to 14 V
1. NG : Repair or replace harness and connector.
2. OK : Go to next step.
Measure resistance between terminal GND of steering angle sensor connector and body ground.
PREPARATION:

Disconnect the yaw rate sensor connector.

CHECK:

Measure the resistance between terminal GND of the yaw rate sensor harness side connector and body ground.

Fig 6: Identifying Steering Angle Sensor Terminals GND
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:

Resistance: 1 Ω or less
1. NG : Repair or replace harness and connector.
2. OK : Replace steering angle sensor.