LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1997 >> B2300 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Crankshaft Position (CKP) Sensor
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Crankshaft Position (CKP) Sensor

  1. Turn ignition off. Connect 104-pin Breakout Box (49 UN01 130) to PCM and PCM vehicle harness. Measure voltage between pins No. 21 and 22 of breakout box while cranking engine. If AC voltage is more than .4 volt, CKP sensor is okay. If voltage is less than .4 volt, go to next step.
  2. Turn ignition off. Disconnect PCM from breakout box. Measure voltage between pins No. 21 and 22 of breakout box while cranking engine. If AC voltage is more than .4 volt, replace PCM. If voltage is less than .4 volt, go to next step.
  3. Turn ignition off. Measure resistance between pins No. 21 and 22 of breakout box. If resistance is 300-800 ohms, go to next step. If resistance is not 300-800 ohms, check wiring harness between CKP sensor and PCM. If wiring harness is okay, replace CKP sensor.
  4. Check trigger wheel (crankshaft pulley) and CKP sensor for damage. Repair or replace as necessary. If trigger wheel and CKP sensor are okay, replace CKP sensor.
scientia non olet · About LEMON Manuals