|
|
Content .. 1363 1364 1365 1366 ..
TM-152 < COMPONENT DIAGNOSIS > [5AT: RE5R05A] P1731 A/T 1ST ENGINE BRAKEING P1731 A/T 1ST ENGINE BRAKEING Description INFOID:0000000000957071 Fail-safe function to prevent sudden decrease in speed by engine brake other than at M1 position. DTC Logic INFOID:0000000000957072 DTC DETECTION LOGIC *: This is not an OBD-II self-diagnostic item. DTC CONFIRMATION PROCEDURE NOTE: 1. CHECK DTC DETECTION With CONSULT-III 1. Start the engine. 2. Select “DATA MONITOR”. 3. Drive vehicle and maintain the following conditions for at least 2 consecutive seconds. Is “P1731 A/T 1ST E/BRAKING” detected? YES >> Go to NO >> Check Intermittent incident. Refer to GI-39, "Intermittent Incident" . Diagnosis Procedure INFOID:0000000000957073 1. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT Check TCM power supply and ground circuit. Refer to Is the inspection result normal? YES >> Replace the control valve with TCM. Refer to NO >> Repair or replace damaged parts. DTC Item (CONSULT-III screen terms) A/T CHECK indicator Diagnostic item is de- tected when... Possible cause P1731* A/T 1ST E/BRAKING 13th Each ATF pressure • Harness or connectors (Sensor circuit is open • Low coast brake sole- noid valve • ATF pressure switch 2 ENGINE SPEED : 1,200 rpm GEAR : “1” position MANU MODE SW : ON |