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2001
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Sonoma 4D Pickup
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Repair and Diagnosis
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Electrical
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Charging Systems
Charging Systems
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Description & Operation
Adjustments
Belt Tension
Trouble Shooting
On-Vehicle Testing
Notes
Battery Testing & Inspection
Self-Diagnostic System
Notes
Engine Electrical Diagnostic System Check
Diagnostic Trouble Code Definitions
Diagnostic Tests
DTC P0562: Low System Voltage
DTC P0563: High System Voltage
DTC P0621: High Or Low Generator Turn On Signal
DTC P0622: Out Of Range Duty Cycle Signal
DTC P1637: High Or Low Generator Turn On Signal
DTC P1638: Out Of Range Duty Cycle Signal
System Tests
Notes
Test A: Charging System Test
Test B: Charge Indicator Always On
Test C: Charge Indicator Inoperative
Test D: Generator Noise Diagnosis
Bench Testing
Removal & Installation
Notes
Generator
Removal & Installation
Overhaul
Generator Specifications
Torque Specifications
Wiring Diagrams