Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

System Diagram

Diagram 24-1:







Battery Junction Box
Brake Pedal Position Switch
Central Junction Box
Fuse 1
Fuse 12
Fuse 7
Natural Gas Vehicle Module
Powertrain Control Module
Powertrain Control Power Module Diode
Powertrain Control Power Module Relay
Relay Center



Diagram 24-2:







4R70W Transmission
Battery Junction Box
Circuit Breaker 17
Cooling Fan
Cooling Fan Relay
Central Junction Box
Fuse 13
Mass Air Flow Sensor
Powertrain Control Module
Transmission Control Switch



Diagram 24-3:







EGR Vacuum Regulator Solenoid
Fuel Injector #3
Fuel Injector #4
Fuel Injector #8
Idle Air Control Valve
Ignition System
Natural Gas Vehicle Module
Powertrain Control Module



Diagram 24-4:







Air Conditioner Heater
A/C Wide Open Throttle Cutout Relay
Central Junction Box
Fuel Injector #1
Fuel Injector #2
Fuel Injector #5
Fuel Injector #6
Fuel Injector #7
Fuse 5
Natural Gas Vehicle Module
Powertrain Control Module
Relay Center



Diagram 24-5:







Cylinder Head Temperature Sensor
Differential Pressure Feedback EGR Sensor
Engine Fuel Temperature Sensor
Injection Pressure Sensor
Left Heated Oxygen Sensor #21
Powertrain Control Module
Right Heated Oxygen Sensor #11
Throttle Position Sensor



Diagram 24-6:







4R70W Transmission
Battery Junction Box
Camshaft Position Sensor
Cooling Fan
Cooling Fan High Relay
[1][2]Digital Transmission Range Sensor
Fuse 13
High Current Relay Center
Instrument Cluster
Intake Air Temperature Sensor
Malfunction Indicator Lamp
Output Shaft Speed Sensor
Powertrain Control Module
Transmission Controls



Diagram 24-7:







Data Link Connector
Fuel Tank Pressure Sensor
Instrument Cluster
Natural Gas Vehicle Module
Powertrain Control Module
Tank Temperature Sensor #1
Tank Temperature Sensor #2
Vehicle Speed Sensor



Diagram 24-8:







Battery Junction Box
Fuel Rail Cutoff Solenoid
Fuel Tank Solenoid Valve #1
Fuel Tank Solenoid Valve #2
Fuel Tank Solenoid Valve #3
Fuel Tank Solenoid Valve #4
Fuel Valve Relay
Fuse 1
Inertia Fuel Shutoff Switch
Powertrain Control Module
Relay Center
Transmission Controls



Diagram 24-9:







A/C Clutch Cycling Pressure Switch
A/C High Pressure Cutout Switch
Ignition System
Instrument Cluster
Left Heated Oxygen Sensor #22
Powertrain Control Module
Right Heated Oxygen Sensor #12