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Diagnostic Procedure NCAT0234 1 CHECK PRESSURE SENSOR Refer to “Component Inspection”, AT-98. OK or NG OK (With CONSULT-II) © GO TO 2. OK (Without CONSULT-II) © GO TO 3. NG © Repair or replace pressure sensor. 2 CHECK INPUT SIGNAL (With CONSULT-II) With CONSULT-II 1. Start engine. I Throttle valve fully closed (PL Duty: 4%): Approx. 1.0V I Throttle valve fully depressed (PL Duty: 94%): Approx. 4.0V OK or NG OK © GO TO 4. NG © Check the following items: I Harness for short or open between TCM, ECM and CVT fluid pressure sensor (Main I Ground circuit for ECM 3 CHECK INPUT SIGNAL (Without CONSULT-II) Without CONSULT-II Refer to “Component Inspection”, AT-98. OK or NG OK © GO TO 4. NG © Check the following items: I Harness for short or open between TCM, ECM and CVT fluid pressure sensor (Main I Ground circuit for ECM 4 CHECK DTC Perform Diagnostic Trouble Code (DTC) confirmation procedure, AT-95. OK or NG OK © INSPECTION END NG © 1. Perform TCM input/output signal inspection. nector. DTC P1791 CVT FLUID PRESSURE SENSOR Diagnostic Procedure AT-97 |