Signal Too Low

Signal too low

Checking components and wiring
Check between terminals #1 and #2 in the injector that relates to the diagnostic trouble code (DTC). Check the resistance.
Check the cable that relates to the diagnostic trouble code (DTC). Check for a short-circuit to ground.
Check between:
- Engine control module (ECM) terminal #A1 (#A1) and injector terminal #2 (ECM-200D)
- Engine control module (ECM) terminal #A25 (#A25) and injector terminal #2 (ECM-201D)
- Engine control module (ECM) terminal #A3 (#A3) and injector terminal #2 (ECM-202D)
- Engine control module (ECM) terminal #A2 (#A2) and injector terminal #2 (ECM-203D)
- Engine control module (ECM) terminal #A26 (#A26) and injector terminal #2 (ECM-204D).
Remedy as necessary.

Other information
- Connecting the breakout box, B5254T7 Connecting the Breakout Box, Engine Control Module (ECM)
- Signal specification, B5254T7 Signal Specification
- Component specifications, B5254T7 [1][2]Engine Control Module
- Fuel injector, B5254T7 Service and Repair
- Checking wiring and terminals Checking Wiring and Terminals









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Fault-tracing information




Information

Fault-tracing information
In case of this defect, troubleshooting is not followed by verification.
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Attempt New Test - Checking components and wiring

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