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DLN-218 < COMPONENT DIAGNOSIS > [TRANSFER: TX15B] P1816 PNP SWITCH P1816 PNP SWITCH Description INFOID:0000000003937348 The A/T PNP switch transmits the A/T position indicator signal (PNP switch signal) via CAN communication to DTC Logic INFOID:0000000003937349 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Perform self-diagnosis. Is DTC P1816 displayed? YES >> Perform diagnosis procedure. Refer to DLN-218, "Diagnosis Procedure" . NO >> Inspection End. Diagnosis Procedure INFOID:0000000003937350 1. CHECK DTC WITH TCM Perform self-diagnosis with TCM. Refer to TM-36, "CONSULT-III Function (TRANSMISSION)" Is any malfunction detected by self-diagnosis? YES >> Check the malfunctioning system. NO >> GO TO 2. 2. CHECK TRANSFER CONTROL UNIT Check transfer control unit input/output signal. Refer to Is the inspection result normal? YES >> GO TO 3. NO >> Check transfer control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts. 3. CHECK DTC Drive the vehicle and then perform self-diagnosis. Is DTC P1816 displayed? YES >> Perform self-diagnosis with TCM again. NO >> Inspection End. DTC CONSULT-III Diagnostic item is detected when... Reference [P1816] PNP SW/CIRC When A/T PNP switch signal is malfunc- 2009 Pathfinder |