TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
Page 499 of 1432
(1) Position master power switch to on (TM 9-2320-365-10). (2) Check to see if main code 24 or main code 33 is displayed on WTEC III TPSS (para 8-5). (3) If main code 24 is displayed: (a) WTEC III transmission ECU has detected a sump oil temperature above (sub code 23) or below (sub code 12) operating limits. (b) Troubleshoot oil cooling system followed by sump oil temperature sensor and circuits. (4) If main code 33 is displayed: (a) WTEC III transmission ECU has detected a fault with sump oil temperature sensor or its circuit. (b) Troubleshoot electrical system. (5) Position master power switch to off (TM 9-2320-365-10). Wear appropriate eye protection when working under vehicle due to the possibility of falling debris. Failure to comply may result in injury to personnel. WARNING CAUTION Change 1 2-1505 Loose or dirty connectors may cause intermittent loss of power to transmission ECU and diagnostic codes to be logged. Ensure that all connectors are clean and tight before performing troubleshooting. Failure to comply may result in incorrect test results. TM 9-2320-365-20-2