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TRANSFER CONTROL UNIT DLN-69 < ECU DIAGNOSIS > [TRANSFER: TX15B] C E F G H I J K L M A B DLN N O P NOTE: If “SHIFT ACT POSI SW [P1818]” or “SHIFT ACT CIR [P1819]” is displayed, first erase self-diagnostic results. (“SHIFT ACT POSI SW FLASH CODE CHART DTC CONSULT-III Diagnostic item is detected when... Reference [P1801] *INITIAL START* Due to removal of battery which cuts off power sup- [P1802] CONTROL UNIT (1,2,3) Malfunction is detected in the memory (RAM) sys- [P1803] Malfunction is detected in the memory (ROM) sys- [P1804] Malfunction is detected in the memory (EEPROM) [P1807] VHCL SPEED SEN·AT • Malfunction is detected in output shaft revolution signal that is output from TCM through CAN • Improper signal is input while driving. [P1808] VHCL SPEED SEN·ABS • Malfunction is detected in vehicle speed signal that is output from ABS actuator and electric unit • Improper signal is input while driving. [P1809] CONTROL UNIT 4 AD converter system of transfer control unit is mal- [P1810] 4L POSI SW TF Improper signal from 4LO switch is input due to [P1811] BATTERY VOLTAGE Power supply voltage for transfer control unit is ab- [P1813] 4WD MODE SW More than two switch inputs are simultaneously de- [P1814] 4WD DETECT SWITCH Improper signal from wait detection switch is input [P1816] PNP SW/CIRC When transmission range switch (A/T models) sig- When PNP switch (M/T models) signal is malfunc- [P1817] SHIFT ACTUATOR • Motor does not operate properly due to open or short circuit in actuator motor. • Malfunction is detected in the actuator motor. (When 4WD shift switch is operated and actuator • Malfunction is detected in transfer shift high relay or transfer shift low relay. [P1818] SHIFT ACT POSI SW • Improper signal from actuator position switch is input due to open or short circuit. • Malfunction is detected in actuator position switch. [P1819] SHIFT ACT CIR • Malfunction is detected in transfer shut off relay 1 and transfer shut off relay 2. • Malfunction occurs in transfer control device drive circuit. [P1820] ENGINE SPEED SIG • Malfunction is detected in engine speed signal that is output from ECM through CAN communi- • Improper signal is input while driving. |