Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CAN COMMUNICATION SYSTEM

Check if the CAN communication system DTC is output (see DIAGNOSIS SYSTEM ).

Result

RESULT PROCEED

Result	Proceed to
DTC is not output	A
DTC is output	B

OK: The connector is securely connected.

B: REPAIR CAN COMMUNICATION SYSTEM

A: GO TO NEXT STEP.

CHECK SKID CONTROL ECU CONNECTOR
1. Check if the skid control ECU connector is securely connected.
  OK: The connector is securely connected.
NG: CONNECTOR CORRECTLY

OK: GO TO NEXT STEP.

CHECK WIRE HARNESS (SKID CONTROL ECU - BODY GROUND)

Disconnect the A19 ECU connector.

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
A19-43 (CSW) - Body ground	AUTO LSD switch is not pushed	10 kΩ or higher
A19-43 (CSW) - Body ground	AUTO LSD switch is pushed	Below 1Ω

Fig 1: Identifying A19 ECU Harness Connector Terminal (CSW)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to step 6

NG: GO TO NEXT STEP.

INSPECT AUTO LSD SWITCH

Remove the auto LSD switch.

Measure the resistance of the switch.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
3 - 6	Not pushed	10 kΩ or higher
3 - 6	Pushed	Below 1Ω

Fig 2: Inspecting Auto LSD Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE TRACTION CONTROL SWITCH

OK: GO TO NEXT STEP.

CHECK WIRE HARNESS (SKID CONTROL ECU - TRACTION CONTROL SWITCH)

Disconnect the A19 ECU connector. (See Fig 3).
Disconnect the E51 switch connector. (See Fig 3).

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
A19-43 (CSW) - E51-6	Below 1 Ω
E51-3 - Body ground	Below 1 Ω
A19-43 (CSW) - Body ground	10 kΩ or higher

Fig 3: Identifying A19 ECU Harness Connector Terminal (CSW) & E51 Switch Connector

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: GO TO NEXT STEP.

CHECK COMBINATION METER
1. Check the combination meter (see PROBLEM SYMPTOMS TABLE ).
NG: REPLACE COMBINATION METER ASSEMBLY

OK: REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY