856603 1 Mariner COWL DEFLECTOR

Table 1
Diagnostic Trouble Codes
J1939 Code and Description Conditions that Generate the Code System Response
100-3 Engine Oil Pressure : Voltage Above Normal The Electronic Control Module (ECM) detects signal voltage that is above normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
100-4 Engine Oil Pressure : Voltage Below Normal The ECM detects signal voltage that is below normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
101-3 Engine Crankcase Pressure : Voltage Above Normal The ECM detects signal voltage that is above normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
101-4 Engine Crankcase Pressure : Voltage Below Normal The ECM detects signal voltage that is below normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
108-3 Barometric Pressure : Voltage Above Normal The ECM detects signal voltage that is above normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
108-4 Barometric Pressure : Voltage Below Normal The ECM detects signal voltage that is below normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
411-3 Engine Exhaust Gas Recirculation Differential Pressure : Voltage Above Normal The ECM detects signal voltage that is above normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
411-4 Engine Exhaust Gas Recirculation Differential Pressure : Voltage Below Normal The ECM detects signal voltage that is below normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
1387-3 Auxiliary Pressure #1 : Voltage Above Normal The ECM detects signal voltage that is above normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
1387-4 Auxiliary Pressure #1 : Voltage Below Normal The ECM detects signal voltage that is below normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
3358-3 Engine Exhaust Gas Recirculation Inlet Pressure : Voltage Above Normal The ECM detects signal voltage that is above normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
3358-4 Engine Exhaust Gas Recirculation Inlet Pressure : Voltage Below Normal The ECM detects signal voltage that is below normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
3563-3 Engine Intake Manifold #1 Absolute Pressure : Voltage Above Normal
Left-hand sensor The ECM detects signal voltage that is above normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
3563-4 Engine Intake Manifold #1 Absolute Pressure : Voltage Below Normal
Left-hand sensor The ECM detects signal voltage that is below normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
5422-3 Engine Intake Manifold #2 Absolute Pressure : Voltage Above Normal
Right-hand sensor The ECM detects signal voltage that is above normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
5422-4 Engine Intake Manifold #2 Absolute Pressure : Voltage Below Normal
Right-hand sensor The ECM detects signal voltage that is below normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
5578-3 Fuel Pressure Sensor - Before Fuel Filter : Voltage Above Normal The ECM detects signal voltage that is above normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
5578-4 Fuel Pressure Sensor - Before Fuel Filter : Voltage Below Normal The ECM detects signal voltage that is below normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
5580-3 Fuel Pressure Sensor - After Fuel Filter : Voltage Above Normal The ECM detects signal voltage that is above normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value.
5580-4 Fuel Pressure Sensor - After Fuel Filter : Voltage Below Normal The ECM detects signal voltage that is below normal for the programmed delay time. The code is logged.
The value of the parameter is set to a default value. The supply voltage is routed to terminal 1 of each sensor connector. The sensor return is routed to terminal 2 of each sensor connector. For the pressure sensors, the sensor signal is routed to terminal 3 of each sensor connector. The sensor signal for the exhaust temperature sensors is routed to terminals 3 and 4 of the connector for the sensor buffer.The ECM provides short circuit protection for the internal power supply. A short circuit to the battery will not damage the internal power supply.Diagnostic Testing using Caterpillar Electronic Technician (ET)Wiggle Test - The wiggle test allows the technician to monitor the status of the signals from the sensors. For additional information regarding the wiggle test, refer to the documentation that accompanies the Cat ET software.
Illustration 1 g03884043
Illustration 2 g02151854
Terminal locations at the P1 ECM connector for the analog sensors
(P1-2) Analog supply
(P1-3) Analog return
(P1-15) Auxiliary pressure sensor
Illustration 3 g03885087
Terminal locations at the P2 ECM connector for the analog sensors
(P2-15) Intake manifold pressure sensor (left-hand)
(P2-27) Fuel pressure after filter sensor
(P2-28) Engine oil pressure sensor
(P2-30) Analog return
(P2-33) Crankcase pressure sensor
(P2-40) NRS differential pressure sensor
(P2-41) Intake manifold pressure sensor (right-hand)
(P2-27) Fuel pressure before filter sensor
(P2-72) Analog supply
(P2-74) NRS absolute pressure sensor
(P2-78) Barometric pressure sensor
(P2-80) Analog supply
(P2-81) Analog supply
(P2-82) Analog supply
(P2-83) Analog return
(P2-93) Analog return Test Step 1. Check for Diagnostic Codes
Connect Caterpillar Electronic Technician (ET) to the service tool connector. Establish a connection with the engine ECM.
Turn the keyswitch to the ON position.
Look for the