OEM 2002 Cadillac DeVille Crankshaft Position Sensor

2002 Cadillac DeVille Parts Questions & Experts Answers

• Q: How to service and repair the Crankshaft Position Sensor on 2002 Cadillac DeVille?

  A: To service and repair the Crankshaft Position Sensor, install a scan tool, monitor the powertrain control module for any dtcs and remember that if any additional dtc exists besides p1336, check the dtc list for more information. Choose the crankshaft position variation learn process using the scan tool and note the fuel cut-off for the engine under consideration. Follow the scan tool's instructions: block the drive wheels, set the parking brake, cycle ignition off to on, press and hold the brake, run and idle the engine, turn off the a/c, put the transmission in park (A/T) or neutral (M/T). To ensure all necessary conditions are established, scan tool will monitor some of the component signals such as ckp sensor activity, cmp sensor activity, and engine coolant temperature; it is advisable if the coolant temperature is inadequate you should do a little idling of the engine to be able to bring it to the correct level. Turn on the scanning tool and carry out the crankshaft position system of variation learn procedure, and during which release the throttle as soon as the engine is beginning to decelerate so that the engine control is returned to the operator. Slowly bring the engine speed to the observed rpm and release the throttle upon reaching the fuel cut-off. The scan tool will indicate on the screen "learn status: learned this ignition." if this message is not detected, and no additional dtcs are set, engine symptoms should be checked. If there is a dtc, refer to the dtc list for information. Lastly, switch off the ignition for 30 seconds, once the learn procedure is successfully performed.