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DTC P0850 PNP SWITCH EC-1201 [VK45DE] C D E F G H I J K L M A EC Specification data are reference values and are measured between each terminal and ground. CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam- Diagnostic Procedure NBS005K8 1. CHECK DTC WITH TCM Refer to AT-40, "OBD-II Diagnostic Trouble Code (DTC)" OK or NG OK >> GO TO 2. NG >> Repair or replace. 2. CHECK STARTING SYSTEM Turn ignition switch OFF, then turn it to START. Yes or No Yes >> GO TO 3. No >> Refer to 3. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I 1. Turn ignition switch OFF. 2. Disconnect A/T assembly harness connector. 3. Disconnect “unified meter and A/C amp.” harness connector. 4. Check harness continuity between A/T assembly terminal 9 and “unified meter and A/C amp.” terminal 2. 5. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 5. NG >> GO TO 4. 4. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors M72, F102 ● Harness for open or short between A/T assembly and “unified meter and A/C amp.” >> Repair open circuit or short to ground or short to power in harness or connectors. TER- MINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 102 G PNP switch [Ignition switch: ON] ● Selector lever: P or N Approximately 0V [Ignition switch: ON] ● Selector lever: Except above BATTERY VOLTAGE Continuity should exist. |