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DLN-48 < COMPONENT DIAGNOSIS > [TRANSFER: ATX14B] P1818 ACTUATOR POSITION SWITCH P1818 ACTUATOR POSITION SWITCH Description INFOID:0000000001728370 The actuator position switch detects the current actuator motor range. DTC P1818 will set if either of the fol- DTC Logic INFOID:0000000001728371 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Perform self-diagnosis. Is DTC P1818 detected? YES >> Perform diagnosis procedure. Refer to . NO >> Inspection End. Diagnosis Procedure INFOID:0000000001728372 1. CHECK ACTUATOR POSITION SWITCH SIGNAL With CONSULT-III 1. Start engine. 2. Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-III. 3. Read out the value of “SHIFT POS SW1” and “SHIFT POS SW2”. Without CONSULT-III 1. Start engine. DTC CONSULT-III Diagnostic item is detected when... Reference [P1818] SHIFT ACT POSI SW • Improper signal from actuator position switch is input due to open or short cir- • Malfunction is detected in the actuator position switch. Refer to . Monitored item Condition Display value SHIFT POS SW1 • Vehicle stopped “N” position • Brake pedal de- pressed 4WD shift switch: 4LO ON 4WD shift switch: OFF SHIFT POS SW2 • Vehicle stopped “N” position • Brake pedal de- pressed 4WD shift switch: 4H, ON 4WD shift switch: 4LO OFF |