Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CAN COMMUNICATION SYSTEM

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

Result

RESULT

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

B: REPAIR CIRCUITS INDICATED BY OUTPUT DTCS

A: Go to next step

CHECK WIRE HARNESS (DLC3 - ECM)

Turn the ignition switch OFF.
Disconnect the A9 connector from the ECM.

Fig 1: Identifying E13 And A9 Connectors Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
E13-13 (TC) - A9-27 (TC)	Below 1 Ω

NG: REPAIR OR REPLACE WIRE HARNESS

OK: Go to next step

CHECK WIRE HARNESS (CG OF DLC3 - BODY GROUND)

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester connection	Specified condition
E13-4 (CG) - Body ground	Below 1 Ω

Fig 2: Identifying E13 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE WIRE HARNESS

OK: Go to next step

CHECK WIRE HARNESS (TC OF ECM)

Measure the resistance of the wire harness side connector.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
A9-27 (TC) - Body ground	1 MΩ or higher

Fig 3: Identifying A9 Connector Terminals

NG: REPAIR OR REPLACE WIRE HARNESS OR EACH ECU

OK: REPLACE CENTER AIRBAG SENSOR ASSEMBLY