Toyota Venza manuals

Toyota Venza: Steering Angle Sensor Communication Stop Mode

Toyota Venza Service Manual / Networking / Can Communication System / Steering Angle Sensor Communication Stop Mode

DESCRIPTION

Detection Item

Symptom

Trouble Area

Steering Angle Sensor Communication Stop Mode

  • "Steering Angle Sensor" is not displayed on "CAN Bus Check" screen of the Techstream.
  • Applies to Steering Angle Sensor Communication Stop Mode in DTC Combination Table.
  • Power source circuit of steering angle sensor
  • Steering angle sensor branch wire or connector
  • Steering angle sensor

WIRING DIAGRAM


CAUTION / NOTICE / HINT

NOTICE:

  • Turn the ignition switch off before measuring the resistances between CAN bus main wires and between CAN bus branch wires.
  • Turn the ignition switch off before inspecting CAN bus wires for a ground short.
  • After the ignition switch is turned off, check that the key reminder warning system and light reminder warning system are not operating.
  • 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 any doors need to be opened in order to check connectors, open the doors and leave them open.

HINT:

  • Operating the ignition switch, any other switches or a door triggers related ECU and sensor communication on the CAN. This communication will cause the resistance value to change.
  • Even after DTCs are cleared, if a DTC is stored again after driving the vehicle for a while, the malfunction may be occurring due to vibration of the vehicle. In such a case, wiggling the ECUs or wire harness while performing the inspection below may help determine the cause of the malfunction.

PROCEDURE

1.

CHECK CAN BUS WIRE FOR DISCONNECTION (STEERING ANGLE SENSOR BRANCH WIRE)

(a) Turn the ignition switch off.

(b) Disconnect the connector of the steering angle sensor.

Text in Illustration

*1

Front view of wire harness connector

(to Steering Angle Sensor)


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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

D35-4 (CANH) - D35-3 (CANL)

Ignition switch off

54 to 69 Ω


NG

REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (STEERING ANGLE SENSOR BRANCH WIRE)


OK

2.

CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)

(a) Turn the ignition switch to ON.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

D35-5 (IG) - Body ground

Ignition switch ON

11 to 14 V

Text in Illustration

*1

Front view of wire harness connector

(to Steering Angle Sensor)



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)


OK

3.

CHECK HARNESS AND CONNECTOR (GROUND TERMINAL)

(a) Turn the ignition switch off.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

D35-2 (ESS) - Body ground

Always

Below 1 Ω

Text in Illustration

*1

Front view of wire harness connector

(to Steering Angle Sensor)



OK

REPLACE STEERING ANGLE SENSOR


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT)

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