TM-9-2320-366-20-1 MTV Unit Maintenance Manual M1083 Series - Volume 1 Download
Page 550 of 1824
e12. SPEEDOMETER DOES NOT OPERATE OR IS INACCURATE (CONT) TEST OPTIONS Continuity Test or STE/ICE-R Test #91 REASON FOR QUESTION KNOWN INFO POSSIBLE PROBLEMS YES NO YES NO Repair wire 157 from connector P116 socket 30 to connector PX8 pin 4 (para 2-45) or replace WTEC III dashboard cable assembly (para 7-11). Is continuity absent from connector P116 socket 30 to ground? 13. Water temperature gage operates correctly. Main code 13, 22, or 25 not active in pushbutton shift selector. VOLTS gage operates correctly. Vehicle is equipped with WTEC III transmission controls. Faulty WTEC III dashboard cable assembly. Faulty CTIS cable assembly. Faulty CTIS ECU. Faulty speedometer. TEST OPTIONS Continuity Test or STE/ICE-R Test #91 REASON FOR QUESTION If continuity is not present from connector P116 socket 30 to connector PX8 pin 4, wire 157 is faulty. 12. Is continuity present from connector P116 socket 30 to connector PX8 pin 4? CAUTION Read CAUTION on following page. KNOWN INFO Water temperature gage operates correctly. Main code 13, 22, or 25 not active in pushbutton shift selector. VOLTS gage operates correctly. Vehicle is equipped with WTEC III transmission controls. POSSIBLE PROBLEMS Faulty WTEC III dashboard cable assembly. Faulty CTIS cable assembly. Faulty CTIS ECU. Faulty speedometer. CAUTION Read CAUTION on following page. If continuity is present, wire 157 from connector P116 socket 30 to connector PX8 pin 4 or wire 1793 from connector PX8 pin 4 to connector J111 socket B is faulty. Repair wire 157 from connector P116 socket 30 to connector PX8 pin 4 or wire 1793 from connector PX8 pin 4 to connector J111 socket B (para 2-45) or replace WTEC III dashboard cable assembly (para 7-11). TM 9-2320-366-20-1 2-354.2 Change 1