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 745 (MULTIPLEX COMMUNICATION SYSTEM - DIAGNOSIS)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 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DRIVER SIDE JUNCTION BLOCK ASSY (BODY ECU) (REAR SIDE)
1. Disconnect the 2B, 2E, 2F, and 2G J/B connectors.
2. Check the voltage and continuity of each terminal of the wire harness side connectors.
Standard:

Fig 2: Connector Terminal Voltage And Continuity Specification Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

If the value is not as specified, the vehicle may be defective. In this case, check the wire harness, connector and fuse between the ECU and battery, then repair or replace it if necessary.
CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSY (DRIVER DOOR ECU)
1. Disconnect the D17 switch connector.
2. Check the voltage and continuity of each terminal of the wire harness side connector.
Standard:

Fig 4: D17 Connector Terminal Voltage And Continuity Specification Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

If the value is not as specified, the vehicle may be defective. In this case, check the wire harness, connector and fuse between the ECU and battery, then repair or replace it if necessary.
CHECK POWER WINDOW REGULATOR SWITCH ASSY (PASSENGER DOOR ECU)
1. Disconnect the F13 switch connector.
2. Check the voltage and continuity of each terminal of the wire harness side connector.
Standard:

Fig 6: F13 Switch Connector Terminals Voltage And Continuity Specification Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

If the value is not as specified, the vehicle may be defective. In this case, check the wire harness, connector and fuse between the ECU and battery, then repair or replace it if necessary.
CHECK THEFT WARNING ECU (THEFT DETERRENT ECU)
1. Disconnect the T6 ECU connector.
2. Check the voltage and continuity of each terminal of the wire harness side connector.
Standard:

Fig 8: T6 Connector Terminals Voltage And Continuity Specification Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

The value is not as specified, the vehicle may be defective. In this case, check the wire harness, connector and fuse between the ECU and battery, then repair or replace it if necessary.