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 476 (CAN COMMUNICATION SYSTEM - DIAGNOSTICS)CIRCUIT INSPECTIONYAW RATE SENSOR COMMUNICATION STOP MODEINSPECTION PROCEDURE

2004 Toyota Matrix XR, FWD, Standard

Inspection Procedure

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

Measure resistance between terminals CANL and CANH of DLC3.

CHECK:

Measure the resistance between terminals CANL and CANH of the DLC3.

Fig 1: Identifying DLC3 Terminals CANH, CANL

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

RESULT:

RESISTANCE MEASURING

Result	Proceed to
54 to 66 Ω	A
1 MΩ or higher	B

A : Go to step 3 .
B : Go to next step.

Check for short circuit in harness and connector between junction connector and DLC3.
PREPARATION:

Disconnect the bus line connectors from the junction connector.

CHECK:

Measure the resistance between terminals CANL and CANH of the DLC3.

Fig 2: Identifying Junction Connector & DLC3 Terminals CANH, CANL
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:

Resistance: 1M Ω or higher
1. NG : Repair or replace harness and connector between junction connector and DLC3 and go to step 3 .
2. OK : Go to next step.
Check for short circuit in harness and connector between terminals CANL and CANH of the yaw rate sensor wire harness side connector.
PREPARATION:
1. Disconnect the bus line connectors form the junction connector.
2. Disconnect the yaw rate sensor connector.
CHECK:

Measure the resistance between terminals CANL and CANH of the yaw rate sensor wire harness side connector.

Fig 3: Identifying Junction Connector & Yaw Rate Sensor Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:

Resistance: 54 to 66 Ω
1. NG : Repair or replace harness and connector between junction connector and yaw rate sensor.
2. OK : Go to next step.
Measure voltage of IG power source.
PREPARATION:

Disconnect the yaw rate sensor connector.

CHECK:
1. Turn the ignition switch ON.
2. Measure the voltage between terminals IG and GND of the yaw rate sensor connector.
OK:

Voltage: 10 to 14 V
1. NG : Go to step 5 .
2. OK : Replace yaw rate sensor.
NOTE: When replacing the yaw rate sensor, perform the zero point calibration (see PRE-CHECK ).
Measure resistance between terminal GND of yaw rate sensor connector and body ground.
PREPARATION:

Disconnect the yaw rate sensor connector.

CHECK:

Measure the resistance between terminal GND of the yaw rate sensor harness side connector and body ground.

Fig 5: Identifying Yaw Rate Sensor Connector Terminal GND
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:

Resistance: 1 Ω or less
1. NG : Repair or replace harness and connector.
2. OK : Replace yaw rate sensor.

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.