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TM-170 < COMPONENT DIAGNOSIS > [5AT: RE5R05A] P0725 ENGINE SPEED P0725 ENGINE SPEED Description INFOID:0000000005274032 The engine speed signal is sent from the ECM to the TCM. CONSULT-III Reference Value in Data Monitor Mode INFOID:0000000005274033 On Board Diagnosis Logic INFOID:0000000005274034 • This is not an OBD-II self-diagnostic item. when TCM does not receive the ignition signal from ECM during engine cranking or running. Possible Cause INFOID:0000000005274035 Harness or connectors DTC Confirmation Procedure INFOID:0000000005274036 CAUTION: Always drive vehicle at a safe speed. WITH CONSULT-III 1. Turn ignition switch “ON” and select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III. 2. Start engine and maintain the following conditions for at least 10 consecutive seconds. 3. If DTC is detected, go to . Diagnosis Procedure INFOID:0000000005274037 1. CHECK CAN COMMUNICATION LINE Perform the self-diagnosis. Refer to TM-151, "CONSULT-III Function (TRANSMISSION)" Is a malfunction in the CAN communication indicated in the results? YES >> Check CAN communication line. Refer to . NO >> GO TO 2. 2. CHECK DTC WITH TCM With CONSULT-III 1. Start engine. 2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III. 3. While monitoring engine speed, check for engine speed change corresponding to wide-open throttle posi- Is the inspection result normal? YES >> GO TO 3. NO >> Check the ignition signal circuit. • Refer to (QR25DE) or (VQ40DE). Item name Condition Display value (rpm) ENGINE SPEED Engine running Closely matches the tachometer reading. |