Diagrama caterpillar 3126

ECM Connectors

RENR1368-05 September 2005
Diagnostic Code Listing
6 HEUI Injectors

Engine Control Module

Cab Diagnostic Connector

PID-FMI
00-00 0001-11 0002-11 0003-11 0004-11 0005-11 0006-11 0022-11 0022-13 0030-08 0030-13 0041-03 0041-04 0042-11 0043-02 0064-02

Description
No Detected Faults Cylinder #1 Injector current fault Cylinder #2 Injector current fault Cylinder #3Injector current fault Cylinder #4 Injector current fault Cylinder #5 Injector current fault Cylinder #6 Injector current fault Primary to Secondary Engine Speed Signal Calibration Engine Speed Signal Calibration Not Performed PTO Throttle signal invalid PTO Throttle out of calibration 8 Volt Supply voltage high 8 Volt Supply voltage low Injection Actuation Pressure output fault Key Switch FaultSecondary Engine Speed loss of signal Secondary Engine Speed no pattern Inlet Air Heater current low Inlet Air Heater current high Idle Shutdown Override Idle Shutdown PTO Shutdown Vehicle Overspeed Warning Vehicle Speed loss of signal Vehicle Speed signal invalid Vehicle Speed signal out of range Vehicle Speed signal rate of change Throttle Position Invalid Throttle Position out of calibration FuelLevel voltage high Fuel Level voltage low Oil Pressure voltage high Oil Pressure voltage low Very Low Oil Pressure Boost Pressure voltage high Boost Pressure voltage low Boost Pressure not responding High Intake Manifold Air Temperature Warning

Flash Codes
55 72 72 73 73 74 74 42 42 29 29 21 21 71 34 34

PID-FMI
0105-03 0105-04 0105-11 0108-03 0108-04 0110-00 0110-03 0110-04 0110-11 0111-010111-02 0111-03 0111-04 0111-11 0128-03 0128-04 0164-00 0164-02 0164-03

Description
Intake Manifold Air Temperature voltage high Intake Manifold Air Temperature voltage low Very High Intake Manifold Air Temperature Barometric Pressure voltage high Barometric Pressure voltage low High Coolant Temperature Warning Coolant Temperature voltage high Coolant Temperature voltage low Very High CoolantTemperature Low Coolant Level Warning Coolant Level signal invalid Coolant Level voltage high Coolant Level voltage low Very Low Coolant Level Secondary Fuel Level voltage high Secondary Fuel Level voltage low Excessive Injection Actuation Pressure Injection Actuation Pressure Signal Erratic Injection Actuation Pressure voltage high Injection Actuation Pressure voltage low Injection ActuationPressure system fault ECM Battery Power Intermittent PTO Engine Shutdown Switch Occurrence Engine Overspeed Warning Primary Engine Speed Loss of Signal Primary Engine Speed no pattern Theft Deterrent Active Theft Deterrent Active with Engine Cranking J1939 Data Incorrect J1939 Data Link Fault J1939 Device Not Responding 5 Volt Supply voltage high 5 Volt Supply voltage low Brake Pedal Switch #1 FaultBrake Pedal Switch #2 Fault Engine Software Incorrect Check Customer or System Parameters Truck Manufacturer Parameter Not Programmed

Flash Codes
38 38 64 26 26 61 27 27 61 62 12 12 12 62

- 12 V +

Batteries Cruise Control On/Off & Set/Resume Switches

ECM Side

ECM Connector P1

Harness Side

Accelerator Pedal Position Sensor

Injection Actuation Pressure Control Valve (IAPCV)Ignition Key Switch Clutch and Service Brake Switches

0064-11 0070-05 0070-06

17 15 15 15 39 51 47 35 34

Top Camshaft Speed/Timing Sensor Coolant Level Sensor Caterpillar Installed

0071-00 0071-01 0071-14

01 47 47 41 31 36 36 32 28

0164-04 0164-11 0168-02 0186-14 0190-00 0190-02 0190-11 0224-11 0224-14 0231-02 0231-11 0231-12

Bottom Camshaft Speed/Timing Sensor

OEMInstalled

ECM Side

ECM Connector P2

Harness Side
Injection Actuation Pressure Sensor

Check Engine Lamp

Warning Lamp

0084-00

Speedometer & Tachometer
45 35 25 55 65 10 15 20

DT Connector Receptacle

DT Connector Plug
Boost Pressure Sensor

15

75

5

25

5 0

3126B and 3126E On-highway Engines Electrical System
Vehicle Speed Sensor

0084-01 0084-02 0084-08...