Inspection Procedure

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

CHECK CAN BUS LINES FOR SHORT (DLC3 SUB BUS LINE)

Turn the ignition switch to the LOCK position.
Disconnect all wire harness connectors (J13, J14, J15, J17) from the junction connector.

Fig 1: Checking Can Bus Lines For Short (Dlc3 Sub Bus Line)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard:

SPECIFICATION TESTER CONNECTION

Tester connection	Condition	Specified value
D3-6 (CANH) - D3-14 (CANL)	Ignition SW OFF	1 MΩ or more

Fig 2: Measuring Resistance According Value (S)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE DLC3 SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
OK: Go to next step.

CHECK CAN BUS LINES FOR SHORT (SKID CONTROL ECU - JUNCTION CONNECTOR)

Disconnect the connector (S1) from the skid control ECU.

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

Standard:

SPECIFICATION TESTER CONNECTION

Tester connection	Condition	Specified value
S1-11 (CAN-H) - S1-25 (CAN-L)	Ignition SW OFF	1 MΩ or more

HINT:

Check all wire harness connectors connected to the junction connector while disconnecting them.

Fig 3: Checking Can Bus Lines For Short (Skid Control ECU - Junction Connector)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (CAN-H, CAN-L)
OK: Go to next step.

INSPECT SKID CONTROL ECU WITH ACTUATOR (CANH - CANL)

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

Standard:

SPECIFICATION TESTER CONNECTION

Tester connection	Condition	Specified value
11 (CANH) - 25 (CANL)	Ignition SW OFF	108 to 132 Ω

Fig 4: Inspecting Skid Control ECU With Actuator (Canh - Canl)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE SKID CONTROL ECU WITH ACTUATOR (See BRAKE ACTUATOR ASSEMBLY (W/VSC) (FROM JULY, 2003) )
OK: Go to next step.

CHECK CAN BUS LINES FOR SHORT (STEERING SENSOR - JUNCTION CONNECTOR)

Disconnect the connector (S11) from the steering sensor.

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

Standard:

SPECIFICATION TESTER CONNECTION

Tester connection	Condition	Specified value
S11-10 (CANH) - S11-9 (CANL)	Ignition SW OFF	1 MΩ or more

HINT:

Check all wire harness connectors connected to the junction connector while disconnecting them.

Fig 5: Checking Can Bus Lines For Short (Steering Sensor - Junction Connector)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE STEERING SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
OK: Go to next step.

INSPECT STEERING SENSOR (CANH - CANL)

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

Standard:

SPECIFICATION TESTER CONNECTION

Tester connection	Condition	Specified value
10 (CANH) - 9 (CANL)	Ignition SW OFF	108 to 132 Ω

Fig 6: Inspecting Steering Sensor (Canh - Canl)

NG: REPLACE STEERING SENSOR (See STEERING SENSOR )
OK: Go to next step.

CHECK CAN BUS LINES FOR SHORT (YAW RATE SENSOR SUB BUS LINE)

Disconnect the connector (Y1) from the yaw rate sensor.

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

Standard:

SPECIFICATION TESTER CONNECTION

Tester connection	Condition	Specified value
Y1-3 (CANH) - Y1-2 (CANL)	Ignition SW OFF	1 MΩ or more

HINT:

Check all wire harness connectors connected to the junction connector while disconnecting them.

Fig 7: Checking CAN Bus Lines For Short (Yaw Rate Sensor Sub Bus Line)

NG: REPAIR OR REPLACE YAW RATE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)
OK: REPLACE YAW RATE SENSOR (See YAWRATE SENSOR (FROM JULY, 2003) )