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DLN-226 < COMPONENT DIAGNOSIS > [TRANSFER: TX15B] P1818 ACTUATOR POSITION SWITCH P1818 ACTUATOR POSITION SWITCH Description INFOID:0000000003937355 The actuator position switch detects the current actuator motor range. DTC P1818 will set if either of the fol- DTC Logic INFOID:0000000003937356 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 DLN-226, "Diagnosis Procedure" . NO >> Inspection End. Diagnosis Procedure INFOID:0000000003937357 1. CHECK ACTUATOR POSITION SWITCH SIGNAL With CONSULT-III 1. Start engine. 2. Depress brake pedal and stop vehicle. 3. Set A/T selector lever to "N" position. 4. Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-III. 5. Read out the value of “SHIFT POS SW1”, “SHIFT POS SW2”, “SHIFT POS SW3”, “SHIFT POS SW4”. Without CONSULT-III 1. Start engine. 2. Depress brake pedal and stop vehicle. 3. Set A/T selector lever to "N" position. 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 actuator po- sition switch. Monitored item Condition Display value SHIFT POS SW1 4WD shift switch: 2WD and 4LO ON 4WD shift switch: 4H OFF SHIFT POS SW2 4WD shift switch: 4LO ON 4WD shift switch: 2WD and 4H OFF SHIFT POS SW3 4WD shift switch: 2WD and 4H ON 4WD shift switch: 4LO OFF SHIFT POS SW4 4WD shift switch: 4H and 4LO ON 4WD shift switch: 2WD OFF 2009 Pathfinder |