FLANGE ASSEM. 5S7894 - Caterpillar

Use this procedure to troubleshoot a problem with a sensor. Also, use this procedure if one of the following diagnostic codes is active or easily repeated.
Table 1
J1939 Code and Description CDL Code and Description Comments
105-3
Engine Intake Manifold #1 Temperature : Voltage Above Normal 172-3
Intake Manifold Air Temperature Sensor : Voltage Above Normal The Electronic Control Module (ECM) detects that the voltage is not in the acceptable range.
The code is logged.
105-4
Engine Intake Manifold #1 Temperature : Voltage Below Normal 172-4
Intake Manifold Air Temperature Sensor : Voltage Below Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged.
110-3
Engine Coolant Temperature : Voltage Above Normal 110-3
Engine Coolant Temperature : Voltage Above Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged.
110-4
Engine Coolant Temperature : Voltage Below Normal 110-4
Engine Coolant Temperature : Voltage Below Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged.
172-3
Engine Air Inlet Temperature : Voltage Above Normal 2526-3
Air Inlet Temperature Sensor : Voltage Above Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged.
172-4
Engine Air Inlet Temperature : Voltage Below Normal 2526-4
Air Inlet Temperature Sensor : Voltage Below Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged.
174-3
Engine Fuel Temperature 1 : Voltage Above Normal 174-3
Fuel Temperature Sensor : Voltage Above Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged.
174-4
Engine Fuel Temperature 1 : Voltage Below Normal 174-4
Fuel Temperature Sensor : Voltage Below Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged.
175-3
Engine Oil Temperature 1 : Voltage Above Normal 175-3
Engine Oil Temperature Sensor : Voltage Above Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged.
175-4
Engine Oil Temperature 1 : Voltage Below Normal 175-4
Engine Oil Temperature Sensor : Voltage Below Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged.
412-3
Engine Exhaust Gas Recirculation Temperature : Voltage Above Normal 3386-3
EGR Temperature Sensor : Voltage Above Normal The code is logged.
412-4
Engine Exhaust Gas Recirculation Temperature : Voltage Below Normal 3386-4
EGR Temperature Sensor : Voltage Below Normal The code is logged.
2630-3
Engine Charge Air Cooler Outlet Temperature : Voltage Above Normal 3372-3
Engine Charge Air Cooler #1 Outlet Temperature Sensor : Voltage Above Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged.
2630-4
Engine Charge Air Cooler Outlet Temperature : Voltage Below Normal 3372-4
Engine Charge Air Cooler #1 Outlet Temperature Sensor : Voltage Below Normal The ECM detects that the voltage is not in the acceptable range.
The code is logged. The sensor signal for the passive sensor is routed from the Electronic Control Module (ECM) to terminal 1 of each sensor connector. The sensor return for the passive sensors is routed to the ECM from terminal 2 of each sensor connector.Diagnostics on the Cat® Electronic Technician (ET)Wiggle Test - The Wiggle Test