B52-53: From B5: No Fuel Injected From Start Injector
From B5: No fuel injected from start injectorWhen the fault has heart rectified proceed from B6 B4-9: Start Injector
B52
Check for voltage at the start injector when the starter motor is operating
Measure across both pins
Voltage: test with a new start injector
B53
Check for voltage between the plug and earth/ground when the starter motor is operating
Voltage: indicates a defective thermal time switch or an open circuit in the lead between it and the start injector.
No voltage: open circuit in the lead between the starter motor and start injector.