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P1816 TRANSMISSION RANGE SWITCH DLN-39 < DTC/CIRCUIT DIAGNOSIS > [TRANSFER: TX15B] C E F G H I J K L M A B DLN N O P P1816 TRANSMISSION RANGE SWITCH Description INFOID:0000000006179459 The transmission range switch transmits the A/T position indicator signal (transmission range switch signal) via CAN communication to the transfer control unit. DTC P1816 will set when the transmission range switch signal is malfunctioning or there is a communication error. DTC Logic INFOID:0000000006179460 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Perform self-diagnosis. YES >> Perform diagnosis procedure. Refer to . NO >> Inspection End. Diagnosis Procedure INFOID:0000000006179461 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. YES >> Perform self-diagnosis with TCM again. NO >> Inspection End. DTC CONSULT-III Diagnostic item is detected when... Reference [P1816] PNP SW/CIRC When transmission range switch signal |