P1287

Tests 1 - 4:

Test 5:

SYMPTOM
P1287 - FUEL INJECTION PUMP CONTROLLER SUPPLY VOLTAGE LOW

WHEN MONITORED
Ignition ON.

SET CONDITION
Engine speed> 100 rpm

POSSIBLE CAUSES
- Fuel injection pump ground circuit open
- Battery defective (voltage < 12.0 volts)
- Battery defective (voltage < 8.0 volts)