Diagnosis & Repair

1996 Toyota T100 SR5, 4WD, StandardSECTION Diagnosis & Repair
  1. Disconnect CKP sensor connector. Using ohmmeter, measure resistance between sensor connector terminals. Resistance should be 1630-2740 ohms (cold sensor) or 2065-3225 ohms (hot sensor).
  2. Replace sensor as necessary. If sensor is okay, inspect circuits between ECM and CKP sensor for open or short. See appropriate wiring diagram in WIRING DIAGRAMS article. Repair as necessary. If both circuits are okay, remove sensor and inspect. Also inspect signal plate. Replace as necessary. If both components are okay, replace ECM and retest.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.