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Here are the description and diagnostic for the trouble code.
DTC P1345: CAMSHAFT POSITION SENSOR, NO SGC SIGNAL
DTC is set when there is no SGC signal input from Camshaft Position (CMP) sensor while engine is running. Possible causes are:
" CMP sensor malfunction.
" Open or short circuit between terminal "B" on distributor connector and main relay.
" Open or short circuit between terminal No. 4G on Powertrain Control Module (PCM) connector and terminal "D" on distributor connector.
Diagnosis & Repair Procedure
1. Ensure FREEZE FRAME PID data has been recorded. Inspect all applicable harness connectors. Repair as needed. Disconnect distributor connector. Measure voltage between ground and terminal "B". If battery voltage is present, go to next step. If battery voltage is
not present, repair Black/White wire.
2. Connect distributor connector. Turn ignition on. Access PCM harness connector. PCM is mounted to passenger floor, behind glove box. Using voltmeter, backprobe applicable PCM harness connector. Measure voltage between ground and terminal No. 4G.
3. Voltage should be zero or about 5 volts with ignition on, or about 2.5 volts with engine idling. If voltage is within specification, go to step 5). If voltage is not within specification, go to next step.
4. Turn ignition is off. Check continuity between terminal "D" on distributor harness connector and terminal No. 4G on PCM connector. If continuity does not exist, repair Pink/Black wire. If continuity exists, go to next step.
5. Check CMP sensor. If CMP sensor is okay, go to next step.
6. Erase DTC. If DTC is present, replace PCM. If DTC is not present, intermittent poor harness connection may have caused DTC to originally set.
Thursday, September 23rd, 2010 AT 11:37 AM