TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 ENGINE FAILS TO CRANK 0006 00 MALFUNCTION 1: (Continued) Engine will not crank (no response when starter switch is pressed). PROCEDURE OBSERVATION ANALYSIS (Continued) Master switch "ON". Indicator needle at extreme left position. Batteries dead. Cables disconnected or corroded. PROBABLE CAUSE CORRECTIVE ACTION (4) Check for loose, broken or corroded cables and terminals. Repair or replace as needed. Refer to pertinent vehicle technical manual. (5) Recharge/replace batteries or slave-start engine. If starter cranks and engine starts, go to step e. d. (Continued) Low voltage protection module operating and/or batteries discharged (below 12 volts). (6) If starter still fails to crank, starter is faulty and must be replaced (WP 0049, Starter Motor Replacement) or engine is seized (Malfunction 2, this work package). e. Generator defective. (1) Check generator as follows: PROCEDURE OBSERVATION ANALYSIS Indicator needle in "green" area. Generator charging normal. Indicator needle just entering "yellow" area. Generator not charging properly or voltage regulator faulty. Indicator needle in "yellow" area Generator charging slowly (below normal). Indicator needle in left side of "red" area. Batteries discharging (possible reversed cable connection). Start and operate engine at 1000-1200 rpm. Indicator needle in right side of "red" area. Generator overcharging and voltage regulator is malfunctioning. PROBABLE CAUSE CORRECTIVE ACTION (1) Check circuits, switches and connectors. Refer to pertinent vehicle technical manual. f. Electrical starting circuit defective. (2) Replace starter low voltage protective module (WP 0050, Low Voltage Starter Protection Module Replacement). WP 0006 00-2