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DTC P1730 A/T INTERLOCK AT-143 D E F G H I J K L M A B AT Judgement of A/T Interlock NCS001MX When A/T Interlock is judged to be malfunctioning, the vehicle should be fixed in 2nd gear, and should be set A/T INTERLOCK COUPLING PATTERN TABLE ● : NG, X: OK Diagnostic Procedure NCS001MY 1. CHECK SELF-DIAGNOSTIC RESULTS With CONSULT-II 1. Drive vehicle. 2. Stop vehicle and turn ignition switch OFF. 3. Turn ignition switch ON. 4. Select “SELF-DIAG RESULTS” mode for “A/T” with CONSULT- Without CONSULT-II 1. Drive vehicle. 2. Stop vehicle and turn ignition switch OFF. 3. Turn ignition switch ON. 4. Perform self-diagnosis. Refer to AT-103, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" OK or NG OK >> GO TO 2. NG >> Check low coast brake solenoid valve circuit and function. Refer to AT-165, "DTC P1774 LOW COAST BRAKE SOLENOID 2. CHECK DTC Perform “DTC Confirmation Procedure”. Refer to AT-142, "DTC Confirmation Procedure" . OK or NG OK >> INSPECTION END NG >> GO TO 3. Gear position ATF pressure switch output Fail-safe function Clutch pressure output pattern after fail-safe func- tion SW3 (I/C) SW6 (HLR/ C) SW5 (D/C) SW1 (FR/B) SW2 (LC/B) I/C HLR/C D/C FR/B LC/B L/U A/T interlock 3rd – X X – ● Held in 2nd gear OFF OFF ON OFF OFF OFF 4th – X X – ● Held in 2nd gear OFF OFF ON OFF OFF OFF 5th X X – X ● Held in 2nd gear OFF OFF ON OFF OFF OFF BCIA0031E |