TM-9-2320-366-20-3 MTV Unit Maintenance Manual M1083 Series - Volume 3 Download
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TM 9-2320-366-20-3 TM 9-2320-366-20-3 TM 9-2320-366-20-3 TM 9-2320-366-20-3 TM 9-2320-366-20-3 NO YES Is continuity present from J111B to PX8-4? KNOWN INFO POSSIBLE PROBLEMS Faulty cab dashboard wiring harness - speed signal. Faulty cab dashboard wiring harness - LED input to CTIS cable. Faulty CTIS cable - LED input to ECU. Faulty ECU - O.S pressure change function. Faulty overspeed indicator LED. Faulty cab dashboard wiring harness - ground for LED. Faulty cab dashboard wiring harness - power to LED. Faulty CTIS cable power to LED. Faulty ECU - O.S. warning indicator function. TEST OPTIONS Circuit breakers OK. Power supplied to CTIS. Speedometer OK. Indicator display lights OK. CTIS cable-speed signal OK. 3. Continuity Test or STE/ICE-R Test #91 REASON FOR QUESTION CTIS overspeed warning light and overspeed pressure change will not operate if CTIS ECU does not receive speed signal through cab dashboard wiring harness. Repair wire 1793 (para 2-45) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). m6. CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE m6. CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE m6. CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE m6. CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE m6. CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE (CONT) (CONT) (CONT) (CONT) (CONT) 2-2126 2-2126 2-2126 2-2126 2-2126