DTC P2510: ECM / Pcm Power Relay Sense Circuit Range/Performance

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P2510 - ECM / PCM POWER RELAY SENSE CIRCUIT RANGE/PERFORMANCE

Description: The PCM monitors the voltage on the ignition switch position run (ISP-R) and the fuel injector power monitor (INJPWRM) circuits. This DTC sets when the voltage on the ISP-R and the INJPWRM circuit voltages do not correspond for a calibrated period of time.
Possible Causes: Ignition circuit fuse ISP-R circuit open ISP-R circuit short to ground Fuel injector VPWR circuit short to voltage Fuel injector INJPWR circuit short to voltage Damaged ignition switch Damaged fuel pump relay Damaged PCM power relay
Diagnostic Aids: The INJPWRM PID voltage reading should be 0 volts when the ignition is in the OFF, ACC or LOCK position.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST B .