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• an undercharged or overcharged battery condition occurs. Remember that an undercharged battery is often caused by: • accessories being left on with the engine not running • a faulty or improperly adjusted switch that allows a lamp to stay on. Refer to Ignition-Off Draw Test in the INSPECTION The Powertrain Control Module (PCM) monitors critical input and output circuits of the charging system, making sure Refer to Diagnostic Trouble Codes in; Powertrain Control Module; Electronic Control Modules for more DTC infor- To perform a complete test of the charging system, refer to the appropriate Diagnostic Test Procedures and use a 1. Inspect the battery condition. Refer to Battery for procedures. 2. Inspect condition of battery cable terminals, battery posts, connections at engine block, starter solenoid and relay. They should be clean and tight. Repair as required. 3. Inspect all fuses in both the fuseblock and Power Distribution Center (PDC) for tightness in receptacles. They should be properly installed and tight. Repair or replace as required. 4. Inspect generator mounting bolts for tightness. Replace or tighten bolts if required. Refer to the Generator Removal/Installation section of this group for torque specifications. 5. Inspect generator drive belt condition and tension. Tighten or replace belt as required. Refer to Belt Tension Specifications in Cooling System. 6. Inspect automatic belt tensioner (if equipped). Refer to Cooling System for information. 7. Inspect generator electrical connections at generator field, battery output, and ground terminal (if equipped). Also check generator ground wire connection at engine (if equipped). They should all be clean and tight. Repair as SPECIFICATIONS GENERATOR RATINGS TYPE PART NUMBER RATED SAE AMPS ENGINES DENSO 56029914AA 160 3.7L / 4.7L DENSO 56044380AC 160 5.7L TORQUE - CHARGING SYSTEM DESCRIPTION N·m Ft. Lbs. In. Lbs. Generator Mounting Bolts - 5.7L 41 30 - Generator Support Bracket Bolt/Nuts - 5.7L 41 30 - Generator Vertical Mounting Bolt - 3.7L / 4.7L Engines 55 40 - Generator (long) Horizontal Mounting Bolt - 3.7L / 4.7L Engines 55 40 - 8F - 32 CHARGING - SERVICE INFORMATION WK |