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Checking The Pcm Power And Ground Circuits: Notes

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article  .

Possible Causes
ASD RELAY CONTROL CIRCUIT OPEN
ASD RELAY OUTPUT CIRCUIT(S) OPEN
CHECKING THE ASD RELAY SYSTEM
PCM GROUND CIRCUIT(S) OPEN
FUSED ASD RELAY BATTERY SUPPLY CIRCUIT OPEN
FUSED IGNITION SWITCH (START) OUTPUT CIRCUIT OPEN
FUSED IGNITION SWITCH (START/RUN) OUTPUT CIRCUIT OPEN