3126E On-highway Engine Caterpillar


Sensors and Electrical Connectors

Usage:

3126E HEP

Table 1
Connector     Function    
J1/P1     ECM Connector    
J2/P2     ECM Connector    
J100/P100     Coolant Temperature Sensor    
J103/P103     Intake Manifold Air Temperature Sensor    
J200/P200     Boost Pressure Sensor    
J201/P201     Engine Oil Pressure Sensor    
J203/P203     Atmospheric Pressure Sensor    
J204/P204     Injection Actuation Pressure Sensor    
J300/P300     Injector Solenoid Harness Connector    
J301/P301     Injector Solenoid #1    
J302/P302     Injector Solenoid #2    
J303/P303     Injector Solenoid #3    
J304/P304     Injector Solenoid #4    
J305/P305     Injector Solenoid #5    
J306/P306     Injector Solenoid #6    
J400/P400     Engine Timing Calibration Probe    
J401/P401     Primary Engine Speed/Timing Sensor    
J402/P402     Secondary Engine Speed/Timing Sensor    
J403/P403     Accelerator Pedal Position Sensor    
J500/P500     Injection Actuation Pressure Control Valve    
J501/P501     Air Inlet Heater Relay    
J648/P648     Air Inlet Heater Lamp    



Illustration 1g01002318

Diagram of components




Illustration 2g01002319

Left side engine view




Illustration 3g01002320

Top engine view

Caterpillar Information System:

Monitors For 3600 Diesel Monitoring Systems Troubleshooting Checks
Monitors For 3600 Diesel Monitoring Systems Board (Central Processing Unit) - Install
Monitors For 3600 Diesel Monitoring Systems Initial Troubleshooting Procedure
Monitors For 3600 Diesel Monitoring Systems Board (Central Processing Unit) - Remove
CIPI UNDERCARRIAGE Arrangements: 3Q6662, 6Z7861, 6Z7885, 6Z7947, 6Z7957, 6Z7999, 9Q5044, 9Q5065, 9Q5082, 9Q5090, 9Q5093, 9Q5115, 9Q5118, 9Q5126, 9Q5135, 9Q5141, 9Q5168, 9Q5175, 9Q5206, 9Q5255, 9Q5259, 9Q5268, 9Q5412, 9Q5436, 9Q5464, 9Q5514, 9Q5617, 9 Final Drive
3512B Marine Auxiliary Engine Engine Cranks but Will Not Start
Monitors For 3600 Diesel Monitoring Systems Diagnostic Indicator Is On - Troubleshoot
Monitors For 3600 Diesel Monitoring Systems Cover - Remove
CIPI UNDERCARRIAGE Arrangements: 3Q6662, 6Z7861, 6Z7885, 6Z7947, 6Z7957, 6Z7999, 9Q5044, 9Q5065, 9Q5082, 9Q5090, 9Q5093, 9Q5115, 9Q5118, 9Q5126, 9Q5135, 9Q5141, 9Q5168, 9Q5175, 9Q5206, 9Q5255, 9Q5259, 9Q5268, 9Q5412, 9Q5436, 9Q5464, 9Q5514, 9Q5617, 9 Final Drive
2002/04/01 A New Bracket Is Available {7426}
Monitors For 3600 Diesel Monitoring Systems Monitor - Configure
Monitors For 3600 Diesel Monitoring Systems Maintenance Interval Schedule
Monitors For 3600 Diesel Monitoring Systems Board (Backlight) - Replace
CIPI UNDERCARRIAGE Arrangements: 9Q-5195, 9Q-5197, 9Q-5198, 9Q-5232, 9Q-5504, 9Q-5643, 9Q-5651, 9Q-5727, 9Q-5728, 9Q-5729, 9Q-5730, 9Q-5731, 9Q-5747, 9Q-5876, 180-4029, and 213-3892 Recoil Spring - Disassemble
CIPI UNDERCARRIAGE Arrangements: 9Q-5195, 9Q-5197, 9Q-5198, 9Q-5232, 9Q-5504, 9Q-5643, 9Q-5651, 9Q-5727, 9Q-5728, 9Q-5729, 9Q-5730, 9Q-5731, 9Q-5747, 9Q-5876, 180-4029, and 213-3892 Recoil Spring
Monitors For 3600 Diesel Monitoring Systems Fan - Replace
Monitors For 3600 Diesel Monitoring Systems Storage Drive (Hard Drive) - Remove
Monitors For 3600 Diesel Monitoring Systems Storage Drive (Hard Drive) - Install
CIPI UNDERCARRIAGE Arrangements: 3Q6662, 6Z7861, 6Z7885, 6Z7947, 6Z7957, 6Z7999, 9Q5044, 9Q5065, 9Q5082, 9Q5090, 9Q5093, 9Q5115, 9Q5118, 9Q5126, 9Q5135, 9Q5141, 9Q5168, 9Q5175, 9Q5206, 9Q5255, 9Q5259, 9Q5268, 9Q5412, 9Q5436, 9Q5464, 9Q5514, 9Q5617, 9 Recoil Spring
CIPI UNDERCARRIAGE Arrangements: 3Q6662, 6Z7861, 6Z7885, 6Z7947, 6Z7957, 6Z7999, 9Q5044, 9Q5065, 9Q5082, 9Q5090, 9Q5093, 9Q5115, 9Q5118, 9Q5126, 9Q5135, 9Q5141, 9Q5168, 9Q5175, 9Q5206, 9Q5255, 9Q5259, 9Q5268, 9Q5412, 9Q5436, 9Q5464, 9Q5514, 9Q5617, 9 Recoil Spring
2002/02/01 Jacket Water Heaters Are Now Available {1383}
CIPI UNDERCARRIAGE Arrangements: 3Q6662, 6Z7861, 6Z7885, 6Z7947, 6Z7957, 6Z7999, 9Q5044, 9Q5065, 9Q5082, 9Q5090, 9Q5093, 9Q5115, 9Q5118, 9Q5126, 9Q5135, 9Q5141, 9Q5168, 9Q5175, 9Q5206, 9Q5255, 9Q5259, 9Q5268, 9Q5412, 9Q5436, 9Q5464, 9Q5514, 9Q5617, 9 Recoil Spring
2002/04/01 Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
3126E On-highway Engine Check Engine Lamp Circuit - Test
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