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 161 (STEERING COLUMN SWITCHES)CIRCUIT TESTSTURN SIGNAL SWITCH CIRCUIT
2004 Toyota Matrix XR, FWD, Standard
Turn Signal Switch Circuit
2004 Toyota Matrix XR, FWD, StandardSECTION Turn Signal Switch Circuit
WARNING: This page is about a different car, the 2003 Lexus GS 430, 2003 Lexus GS 300, 2002 Lexus GS 430, and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Connector Disconnected -
Inspect the turn signal switch circuit. Disconnect the connector from the combination switch and inspect the connector on the wire harness side. For the front side of the combination switch connector, see CONNECTOR IDENTIFICATION . See INSPECTING TURN SIGNAL SWITCH CIRCUIT (DISCONNECTED) table. If the circuit is not as specified, inspect the wire harness. See WIRING DIAGRAMS .INSPECTING TURN SIGNAL SWITCH CIRCUIT (DISCONNECTED)
Tester Connection Condition Specified Condition 2 - Ground Constant Continuity - Connector Connected -
Inspect the turn signal switch circuit. Connect the wire harness side connector to the combination switch and inspect the connector from the back side. For the front side of the combination switch connector, see CONNECTOR IDENTIFICATION . See INSPECTING TURN SIGNAL SWITCH CIRCUIT (CONNECTED) table. If the circuit is not as specified, inspect the wire harness. See WIRING DIAGRAMS .INSPECTING TURN SIGNAL SWITCH CIRCUIT (CONNECTED)
Tester Connection Condition Specified Condition 2 - Ground Ignition Switch ON & Turn Signal Switch Neutral No Voltage 1 - Ground Ignition Switch ON & Turn Signal Switch Left B+ Voltage - 0 Volt 3 - Ground Ignition Switch ON & Turn Signal Switch Right No Voltage - 0 Volt
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.