Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 635 (CAN COMMUNICATION SYSTEM - DIAGNOSTICS)TERMINALS OF ECU

2004 Toyota Matrix XR, FWD, Standard

Terminals Of Ecu

2004 Toyota Matrix XR, FWD, StandardSECTION Terminals Of Ecu

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.

DLC3

Check DLC3.

Turn the ignition switch off.
Measure the resistance according to the value (s) in the table below.

Fig 1: Identifying DLC3Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

SPECIFICATION TERMINAL CONNECTION

Terminals	Check item	Condition	Normal value
D3-6 (CANH) - D3-14 (CANL)	Resistance	IG switch OFF	54 to 67 Ω
D3-6 (CANH) - D3-16 (BAT)	Resistance	IG switch OFF	More than 1 MΩ
D3-14 (CANL) - D3-16 (BAT)	Resistance	IG switch OFF	More than 1 MΩ
D3-6 (CANH) - D3-4 (CG)	Resistance	IG switch OFF	More than 3 kΩ
D3-14 (CANL) - D3-4 (CG)	Resistance	IG switch OFF	More than 3 kΩ

SKID CONTROL ECU

Check skid control ECU.

Turn the ignition switch off.
Disconnect the connector (S1) from the skid control ECU.
Measure the resistance according to the value (s) in the table below.

Fig 2: View Of Skid Control ECU Terminal Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

SPECIFICATION TERMINAL CONNECTION

Terminals	Check item	Condition	Normal value
11 (CANH) - 25 (CANL)	Resistance	IG switch OFF	108 to 132 Ω
11 (CANH) - 32 (GND1)	Resistance	IG switch OFF	More than 3 kΩ
25 (CANL) - 32 (GND1)	Resistance	IG switch OFF	More than 3 kΩ
11 (CANH) - 31 (+BS)	Resistance	IG switch OFF	More than 1 MΩ
25 (CANL) - 31 (+BS)	Resistance	IG switch OFF	More than 1 MΩ

Check the skid control ECU harness side connector (S1).

Turn the ignition switch off.
Disconnect the connector (S1) from the skid control ECU.
Measure the resistance according to the value (s) in the table below.

Fig 3: Disconnecting Harness Connector (S1) From Skid Control ECU
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

WIRING SPECIFICATION

Terminals	Wiring Color	Check item	Condition	Normal value
S1-11 (CANH) - S1-25 (CANL)	B - W	Resistance	IG switch OFF	108 to 132 Ω
S1-11 (CANH) - S1-32 (GND1)	B - W-B	Resistance	IG switch OFF	More than 3 kΩ
S1-25 (CANL) - S1-32 (GND1)	W - W-B	Resistance	IG switch OFF	More than 3 kΩ
S1-11 (CANH) - S1-31 (+BS)	B - W	Resistance	IG switch OFF	More than 1 MΩ
S1-25 (CANL) - S1-31 (+BS)	W - W	Resistance	IG switch OFF	More than 1 MΩ

STEERING SENSOR

Check steering sensor.

Turn the ignition switch off.
Disconnect the connector (S11) from the steering sensor.
Measure the resistance according to the value (s) in the table below.

Fig 4: Identifying Steering Sensor Terminal Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

SPECIFICATION TERMINALS

Terminals	Check item	Condition	Normal value
10 (CANH) - 9 (CANL)	Resistance	IG switch OFF	108 to 132 Ω
10 (CANH) - 2 (ESS)	Resistance	IG switch OFF	More than 3 kΩ
9 (CANL) - 2 (ESS)	Resistance	IG switch OFF	More than 3 kΩ
10 (CANH) - 3 (BAT)	Resistance	IG switch OFF	More than 1 MΩ
9 (CANL) - 3 (BAT)	Resistance	IG switch OFF	More than 1 MΩ

Check the harness side connector (S11) of the steering sensor.

Turn the ignition switch off.
Disconnect the connector (S11) from the steering sensor.
Measure the resistance according to the value (s) in the table below.

Fig 5: Disconnecting Harness Connector (S11) From Steering Sensor
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

WIRING SPECIFICATION

Terminals	Wiring Color	Check item	Condition	Normal value
S11-10 (CANH) - S11-9 (CANL)	B - W	Resistance	IG switch OFF	54 to 67 Ω
S11-10 (CANH) - S11-2 (ESS)	B - W-B	Resistance	IG switch OFF	More than 3 kΩ
S11-9 (CANL) - S11-2 (ESS)	W - W-B	Resistance	IG switch OFF	More than 3 kΩ
S11-10 (CANH) - S11-3 (BAT)	B - P	Resistance	IG switch OFF	More than 1 MΩ
S11-9 (CANL) - S11-3 (BAT)	W - P	Resistance	IG switch OFF	More than 1 MΩ

YAW RATE SENSOR

Check the yaw rate sensor harness side connector (Y1).

Turn the ignition switch off.
Disconnect the connector (Y1) from the yaw rate sensor.
Measure the resistance according to the value (s) in the table below.

Fig 6: Checking Yaw Rate Sensor Harness Connector (Y1)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

WIRING SPECIFICATION

Terminals	Wiring Color	Check item	Condition	Normal value
Y1-3 (CANH) - Y1-2 (CANL)	B - W	Resistance	IG switch OFF	54 to 67 Ω
Y1-3 (CANH) - Y1-1 (GND)	B - W-B	Resistance	IG switch OFF	More than 3 kΩ
Y1-2 (CANL) - Y1-1 (GND)	W - W-B	Resistance	IG switch OFF	More than 3 kΩ
Y1-3 (CANH) - D3-16 (BAT)	B - B	Resistance	IG switch OFF	More than 1 MΩ
Y1-2 (CANL) - D3-16 (BAT)	W - B	Resistance	IG switch OFF	More than 1 MΩ

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.