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 MANUALSSUZUKI2001GRAND VITARA JLS, STANDARDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSSYSTEM TESTSTRANSMISSION RANGE SWITCH CIRCUIT CHECK (A/T)
2001 Suzuki Grand Vitara JLS, Standard
Transmission Range Switch Circuit Check (A/T)
2001 Suzuki Grand Vitara JLS, StandardSECTION Transmission Range Switch Circuit Check (A/T)
NOTE:
Transmission Range (TR) switch may also be referred to as Park/Neutral Position (PNP) switch or shift switch.
- Turn ignition switch to OFF position. Disconnect CC ECU harness connector. Using DVOM, check for continuity between ground and CC ECU harness connector terminal No. 9 (Black/Red wire). See Figure . With shift lever in Park or Neutral position, continuity should exist. With shift lever in any forward/reverse gear, continuity should not exist. If continuity is as specified, circuit is okay. If continuity is not as specified, go to next step.
- Check for poor connection, open or short in Black/Red wire between Transmission Range (TR) switch and CC ECU. Check for poor connection, open or short in Black/Yellow wire between TR switch and starter. See WIRING DIAGRAMS . Repair as necessary. If wiring and harness connectors are okay, replace or adjust TR switch as necessary. See TRANSMISSION RANGE SWITCH (A/T) under ADJUSTMENTS.
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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.