TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download
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KNOWN INFO TEST OPTIONS REASON FOR QUESTION KNOWN INFO TEST OPTIONS 20. Voltage Test or STE/ICE-R Test #89 WARNING Read WARNING on following page. Replace pressure transducer (para 12-7). POSSIBLE PROBLEMS 21. NO TEST OPTIONS Continuity Test or STE/ICE-R Test #91 YES TM 9-2320-366-20-2 2-958.12 Change 2 Replace air pressure switch (para 23-13). VOLTS gage registers in green zone with engine running. Circuit breaker CB40 OK. FRONT BRAKE AIR and REAR BRAKE AIR pressure gages read normal. Air pressure switch OK. Start and charging cable assembly OK. WTEC II / WTEC III dashboard cable assembly OK. Manifold valve assembly OK. CTIS cable assembly OK. POSSIBLE PROBLEMS Faulty air pressure transducer. Faulty CTIS ECU. VOLTS gage registers in green zone with engine running. Circuit breaker CB40 OK. FRONT BRAKE AIR and REAR BRAKE AIR pressure gages read normal. Faulty air pressure switch. Faulty start and charging cable assembly. Faulty WTEC II / WTEC III dashboard cable assembly. Faulty CTIS cable assembly. Is continuity present from air pressure switch pin A to air pressure switch pin B? Is 4.9-5.1 VDC present at connector P113 socket B? If 4.9-5.1 VDC is not present, CTIS ECU is faulty. If 4.9-5.1 VDC is present, pressure transducer is faulty. NO YES Replace CTIS ECU (para 12-6). REASON FOR QUESTION If continuity is not present, air pressure switch is faulty. e85. CENTRAL TIRE INFLATION SYSTEM (CTIS) DOES NOT OPERATE (CONT)