Vehicle Does Not Decelerate By Engine Brake Infiniti M45 II

Vehicle Does Not Decelerate By Engine Brake

SYMPTOM

No engine brake is applied when the gear is shifted from the D2 to D1.

Scheme 614

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Scheme 616

1. CHECK SELF-DIAGNOSTIC RESULTS Execute self-diagnosis. Do the self-diagnostic results indicate PNP switch, ATF pressure switch 5? YES >> Check the malfunctioning system. Refer to " «DTC P0705: PARK/NEUTRAL POSITION SWITCH»(ref-181179-S40613915482005080100000) ", " «DTC P1845: ATF PRESSURE SWITCH 5»(ref-181179-S17094668002005080100000) ". NO >> GO TO 2.
2. CHECK A/T FLUID LEVEL Check A/T fluid level again. Refer to " «CHECKING A/T FLUID»(ref-181179-S06699314042005080100000) ". OK or NG OK >> GO TO 3. NG >> Refill ATF.
3. CHECK CONTROL LINKAGE Check the control linkage. Refer to " «CHECKING OF A/T POSITION»(ref-181179-S33242700162005080100000) ". OK or NG OK >> GO TO 4. NG >> Adjust control linkage. Refer to " «ADJUSTMENT OF A/T POSITION»(ref-181179-S34923439392005080100000) ".
4. MANUAL MODE SWITCH Check the manual mode switch. Refer to " «DTC P1815: MANUAL MODE SWITCH»(ref-181179-S09340547462005080100000) ". OK or NG OK >> GO TO 5. NG >> Repair or replace damaged parts.
5. CHECK A/T FLUID CONDITION Remove oil pan. Refer to " «Control Valve Assembly»(ref-181179-S41631355262005080100000) ". Check A/T fluid condition. OK or NG OK >> GO TO 6. NG >> GO TO 9 .
6. DETECT MALFUNCTIONING ITEM Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to " «SYMPTOM CHART»(ref-181179-S42570461462005080100000) ". OK or NG OK >> GO TO 7. NG >> Repair or replace damaged parts.
7. CHECK SYMPTOM Check again. OK or NG OK >> INSPECTION END NG >> GO TO 8.
8. PERFORM TCM INSPECTION Perform TCM input/output signal inspection. If NG, recheck TCM pin terminals for damage or loose connection with harness connector. OK or NG OK >> INSPECTION END NG >> Repair or replace damaged parts.
9. DETECT MALFUNCTIONING ITEM Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to " «SYMPTOM CHART»(ref-181179-S42570461462005080100000) ". OK or NG OK >> GO TO 7 . NG >> Repair or replace damaged parts.

Scheme 617