81954M Mariner BUSHING, THROTTLE SHAFT


81954M BUSHING, THROTTLE SHAFT Mariner 7015207 BUSHING
81954M BUSHING, THROTTLE SHAFT Mariner
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Buy BUSHING, THROTTLE SHAFT 81954M Mariner genuine, new aftermarket parts with delivery
Number on catalog scheme: 10
 

Compatible models:

7015207   Mariner

Mariner entire parts catalog list:

7015207 1977

Information:


Table 1
J1939 Code and Description CDL Code and Description Comments
6875-18
Aftertreatment #1 DEF Dosing Pressure : Low - least severe (1) E931 (1)
Low Aftertreatment #1 DEF Pressure The Diesel Exhaust Fluid (DEF) pressure is below the threshold for proper system operation.
DEF dosing is disabled.
Table 2
Associated Codes
J1939 Code CDL Code Troubleshooting Procedure
4368-1 N/A Troubleshooting, "DEF Tank Temperature is Low"
4368-3 N/A Troubleshooting, "DEF Tank Sensor - Test"
4368-4 N/A Troubleshooting, "DEF Tank Sensor - Test"
4368-17 N/A Troubleshooting, "DEF Tank Temperature is Low"
4368-18 N/A Troubleshooting, "DEF Tank Temperature is Low"
4335-15 E1969 (1) Troubleshooting, "Air Assist Pressure Is High"
4335-17 E964 (1) Troubleshooting, "Air Assist Pressure Is Low"
4335-18 E964 (2) Troubleshooting, "Air Assist Pressure Is Low"
4335-3 3092-3 Troubleshooting, "Sensor Signal (Analog, Active) - Test"
4335-4 3094-4 Troubleshooting, "Sensor Signal (Analog, Active) - Test"
4376-5 3862-5 Troubleshooting, "Solenoid Valve - Test"
4376-6 3862-6 Troubleshooting, "Solenoid Valve - Test"
6875-3 3090-3 Troubleshooting, "Sensor Signal (Analog, Active) - Test"
6875-4 3090-4 Troubleshooting, "Sensor Signal (Analog, Active) - Test"
7107-5 N/A Troubleshooting, "DEF Pump Motor - Test"
7107-6 N/A Troubleshooting, "DEF Pump Motor - Test"
7107-11 N/A Troubleshooting, "DEF Pump Motor - Test"
7416-5 N/A Troubleshooting, "Solenoid Valve - Test - Aftertreatment"
7416-6 N/A Troubleshooting, "Solenoid Valve - Test - Aftertreatment"
7417-2 N/A Troubleshooting, "DEF Pump Power Supply - Test"
7417-5 N/A Troubleshooting, "Circuit Breaker - Test"
7417-6 N/A Troubleshooting, "Circuit Breaker - Test"
Illustration 1 g03746847
Diesel Exhaust Fluid (DEF) dosing control cabinet components
Valves are shown in a static state
(1) DEF line to injector at CEM
(2) Air line to injector at CEM
(3) Compressed air source (customer supplied)
(4) DEF source (customer supplied)
(5) DEF pressure sensor
(6) Air assist pressure sensor
(7) Air pressure regulator
(8) Air assist valve
(9) DEF buffer tank return valve
(10) DEF buffer tank fill valve
(11) DEF pump
(12) DEF level sensor
(13) DEF buffer tank
Illustration 2 g03747254
Enhanced Troubleshooting Information (ETI) code
Probable Causes
Codes
Gas temperature
Sensor
Leaks
DEF line
Voltage
LED light
DEF pump
Debris
Illustration 3 g06497010Recommended Actions
Table 3
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Turn the DC breaker to ON.
B. Connect Cat® Electronic Technician (Cat ET) Service Tool to the service tool connector.
C. Look for active codes that are associated with the system for the event code.
Codes
Result: An associated code is active.
Repair: Troubleshoot any associated codes before continuing with this test.
Result: A code is active or logged.
Record the Enhanced Troubleshooting Information (ETI) code with the event. Refer to Illustration 2 for the ETI code location.
Proceed to Test Step 2.
2. Monitor the Catalyst Intake Gas Temperature
A. Turn the DC breaker to ON.
B. Connect Cat ET.
C. Use Cat ET to monitor the following temperature:
- "Aftertreatment #1 SCR Catalyst Intake Gas Temperature"
Temperature
Result: The "Aftertreatment #1 SCR Catalyst Intake Gas Temperature" is less than 180° C (356° F)
Proceed to Test Step 3.
Result: The "Aftertreatment #1 SCR Catalyst Intake Gas Temperature" is 180° C (356° F) or higher.
Repair: Use Cat ET to perform the following override:
- Set the "Aftertreatment #1 SCR Dosing Air Assist Valve Command Override" to the OFF position.
Proceed to Test Step 3.
3. Check the Diesel Exhaust Fluid (DEF) Pressure Sensor
A. Turn the DC breaker to ON.
B. Connect Cat ET.
C. Use Cat ET to monitor the following pressure:
- "Aftertreatment #1 DEF Dosing Pressure"
Sensor
Result: The DEF pressure sensor reads 0 20 kPa (0 3 psi).
Proceed to Test Step 4.
Result: The DEF pressure sensor does not read 0 20 kPa (0 3 psi).
Repair: Replace the DEF pressure sensor.
Proceed to Test Step 15.
4. Inspect for DEF and Air Leaks
A. Turn the DC breaker to OFF.
B. Inspect the DEF lines between the remote DEF supply and the dosing cabinet.
C. Inspect the lines and manifold inside the dosing cabinet.
D. Inspect the DEF lines between the dosing cabinet and the DEF injector.
E. Inspect the air lines for signs of leakage and ensure that lines are connected.
DEF and Air Leaks


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