5033703 JOHNSON BRACKET

Table 1
J1939 Code and Description CDL Code and Description Comments
651-5
Engine Injector Cylinder #01 : Current Below Normal 1-5
Cylinder #1 Injector : Current Below Normal The Electronic Control Module (ECM) continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
651-6
Engine Injector Cylinder #01 : Current Above Normal 1-6
Cylinder #1 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
652-5
Engine Injector Cylinder #02 : Current Below Normal 2-5
Cylinder #2 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
652-6
Engine Injector Cylinder #02 : Current Above Normal 2-6
Cylinder #2 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
653-5
Engine Injector Cylinder #03 : Current Below Normal 3-5
Cylinder #3 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
653-6
Engine Injector Cylinder #03 : Current Above Normal 3-6
Cylinder #3 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
654-5
Engine Injector Cylinder #04 : Current Below Normal 4-5
Cylinder #4 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
654-6
Engine Injector Cylinder #04 : Current Above Normal 4-6
Cylinder #4 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
655-5
Engine Injector Cylinder #05 : Current Below Normal 5-5
Cylinder #5 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
655-6
Engine Injector Cylinder #05 : Current Above Normal 5-6
Cylinder #5 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
656-5
Engine Injector Cylinder #06 : Current Below Normal 6-5
Cylinder #6 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
656-6
Engine Injector Cylinder #06 : Current Above Normal 6-6
Cylinder #6 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
657-5
Engine Injector Cylinder #07 : Current Below Normal 7-5
Cylinder #7 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
657-6
Engine Injector Cylinder #07 : Current Above Normal 7-6
Cylinder #7 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
658-5
Engine Injector Cylinder #08 : Current Below Normal 8-5
Cylinder #8 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
658-6
Engine Injector Cylinder #08 : Current Above Normal 8-6
Cylinder #8 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
659-5
Engine Injector Cylinder #09 : Current Below Normal 9-5
Cylinder #9 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
659-6
Engine Injector Cylinder #09 : Current Above Normal 9-6
Cylinder #9 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
660-5
Engine Injector Cylinder #10 : Current Below Normal 10-5
Cylinder #10 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
660-6
Engine Injector Cylinder #10 : Current Above Normal 10-6
Cylinder #10 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
661-5
Engine Injector Cylinder #11 : Current Below Normal 11-5
Cylinder #11 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
661-6
Engine Injector Cylinder #11 : Current Above Normal 11-6
Cylinder #11 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
662-5
Engine Injector Cylinder #12 : Current Below Normal 12-5
Cylinder #12 Injector : Current Below Normal The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
662-6
Engine Injector Cylinder #12 : Current Above Normal 12-6
Cylinder #12 Injector : Current Above Normal The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
The code is logged.
Illustration 1 g03696899
Electrical Shock Hazard. The unit injector system uses 90 - 120 volts. The ECM sends this signal to the unit injectors. Do not come in contact with the unit injector harness connector while the engine is operating. Failure to follow this instruction could resulting in personal injury or death.
Table 2
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
B. Determine if a code is active or logged.
Code
Result: A code is active or logged.
Proceed to Test Step 3.
Result: A code is not active or logged.
Proceed to Test Step 2.
2. Perform the "Cylinder Cutout Test"
A. Start the engine.
B. Run the engine until normal operating temperature is reached.
C. Connect Cat ET.
D. Use Cat ET to perform the following fuel injector test:
- "Cylinder Cutout Test"
E. Look for a noticeable change in fuel usage.
Fuel Usage
Result: There is a noticeable change in fuel