
(Table 4, contd)
J1939 Code
Description
Refer to Procedure
630-2
Calibration Memory : Erratic, Intermittent, or Incorrect
Injector Data Incorrect - Test
637-11
Engine Timing Sensor : Other Failure Mode
Speed/Timing - Test
639-9
J1939 Network #1 : Abnormal Update Rate
Data Link - Test
639-14
J1939 Network #1 : Special Instruction
Data Link - Test
651-5
Engine Injector Cylinder #01 : Current Below Normal
Injector Solenoid - Test
651-6
Engine Injector Cylinder #01 : Current Above Normal
Injector Solenoid - Test
651-20
Engine Injector Cylinder #01 : Data Drifted High
Injector Data Incorrect - Test
651-21
Engine Injector Cylinder #01 : Data Drifted Low
Injector Data Incorrect - Test
652-5
Engine Injector Cylinder #02 : Current Below Normal
Injector Solenoid - Test
652-6
Engine Injector Cylinder #02 : Current Above Normal
Injector Solenoid - Test
652-20
Engine Injector Cylinder #02 : Data Drifted High
Injector Data Incorrect - Test
652-21
Engine Injector Cylinder #02 : Data Drifted Low
Injector Data Incorrect - Test
653-5
Engine Injector Cylinder #03 : Current Below Normal
Injector Solenoid - Test
653-6
Engine Injector Cylinder #03 : Current Above Normal
Injector Solenoid - Test
653-20
Engine Injector Cylinder #03 : Data Drifted High
Injector Data Incorrect - Test
653-21
Engine Injector Cylinder #03 : Data Drifted Low
Injector Data Incorrect - Test
654-5
Engine Injector Cylinder #04 : Current Below Normal
Injector Solenoid - Test
654-6
Engine Injector Cylinder #04 : Current Above Normal
Injector Solenoid - Test
654-20
Engine Injector Cylinder #04 : Data Drifted High
Injector Data Incorrect - Test
654-21
Engine Injector Cylinder #04 : Data Drifted Low
Injector Data Incorrect - Test
676-5
Engine Glow Plug Relay : Current Below Normal
Glow Plug Starting Aid - Test
676-6
Engine Glow Plug Relay : Current Above Normal
Glow Plug Starting Aid - Test
676-19
Engine Glow Plug Relay : Data Error
Glow Plug Starting Aid - Test
677-3
Engine Starter Motor Relay : Voltage Above Normal
Relay - Test (Start Relay)
677-5
Engine Starter Motor Relay : Current Below Normal
Relay - Test (Start Relay)
677-6
Engine Starter Motor Relay : Current Above Normal
Relay - Test (Start Relay)
723-8
Engine Speed Sensor #2 : Abnormal Frequency, Pulse Width,
or Period
Speed/Timing - Test
970-31
Engine Auxiliary Shutdown Switch
This code indicates that the shutdown switch for the engine
has been activated.
The ECM will disable fuel injection until the switch has
been deactivated. No troubleshooting is required.
976-2
PTO Governor State : Erratic, Intermittent, or Incorrect
Power Take-Off - Test
1041-2
Start Signal Indicator : Erratic, Intermittent, or Incorrect
Relay - Test (Start Relay)
1076-2
Engine Fuel Injection Pump Fuel Control Valve : Erratic, Inter-
mittent, or Incorrect
Solenoid Valve - Test
1076-5
Engine Fuel Injection Pump Fuel Control Valve : Current Below
Normal
Solenoid Valve - Test
1076-6
Engine Fuel Injection Pump Fuel Control Valve : Current Above
Normal
Solenoid Valve - Test
(continued)
UENR0612
25
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