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.
Check Sliding Limit Switch Signal
- CHECK SLIDING LIMIT SWITCH SIGNAL
When operation condition consists, check voltage between driver seat control unit connector B352 terminal 4 and ground.
VOLTAGE CHECK TABLEConnector Terminals Condition Voltage (V) (Approx.) (+) (-) B352 4 (OR) Ground The seat slide front most part 0 Other than above 5 OK or NG
OK: Sliding limit switch (forward) signal is OK.
NG: GO TO 2.
- CHECK HARNESS CONTINUITY
- Disconnect driver seat control unit and sliding limit switch connector.
- Check continuity between driver seat control unit connector B352 terminal 4 and sliding limit switch connector B329 terminal 1.
4 (OR) - 1 (OR): Continuity should exist .
OK or NG
OK: GO TO 3.
NG: Repair or replace harness between driver seat control unit and sliding limit switch.
- CHECK SLIDING LIMIT SWITCH CIRCUIT
Check continuity between sliding limit switch connector B329 terminal 2 and ground.
2 (B) - Ground: Continuity should exist .
OK or NG
OK: GO TO 4.
NG: Repair or replace harness.
- CHECK SLIDING LIMIT SWITCH
Check continuity between sliding limit switch connector B329 terminals 1 and 2.
CONTINUITY CHECK TABLEConnector Terminal Condition Continuity B329 1 2 When sliding limit switch fully front Yes Other than above No OK or NG
OK: Check the condition of the harness and the connector.
NG: Replace sliding limit switch.
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.