Question about 1998 Honda Prelude
Heres adiagram to check resistance of the sensor, it should be1200-1300 ohms, but take note the sensor could read good at this time this problem is intermitent and the sensor may be bad, check for continuty at the computer connector , if all wires are good then i would replace the crankshaft sensor/top dead sensor (CKP/TDC).next check conntinuty between sensor terminals and ground check all four prongs on sensor if theres continuity on any one replace sensor, next key off and sensor connected . remove the pcm 31 pin connector (C) here a diagram of it. at the pcm connector measure resistance between terminals C2 and C12 it should be 1200-3200 ohms, then check between C3 and C13, again 1200-3200ohms if the ohms are off then check wires that fail omh test.next test is with connector again test connector c2 (blue /white wire) to ground and C3 to ground if continuity exists then repair wire that fails between connector and sensor, if all tests are good then try a good pcm. i dont think its pcm, i think if its not a wire then replace sensor , but good luck and i hope this helps.
Posted on Nov 12, 2010
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Posted on Jan 02, 2017
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