Troubleshooting

(Table 4, contd)
J1939 Code
Description
Refer to Procedure
594-31
Engine Idle Shutdown Driver Alert Mode
This code indicates that an engine idle shutdown has oc-
curred. This code does not represent a fault.
If equipped, the warning lamp will flash and the shutdown
lamp will come on.
623-5
Red Stop Lamp : Current Below Normal Indicator Lamp - Test
623-6
Red Stop Lamp : Current Above Normal Indicator Lamp - Test
624-5
Amber Warning Lamp : Current Below Normal Indicator Lamp - Test
624-6
Amber Warning Lamp : Current Above Normal Indicator Lamp - Test
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
(continued)
24 UENR0612-07
Diagnostic Trouble Codes
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