ICC Circuit — Test Procedure A:
CONDITIONS:
– Machine parked, park brake locked
– Battery fully charged
– The following circuits tested:
Power
Charging
Cranking
PTO
Lighting
– Transmission in NEUTRAL
– PTO On—Off switch to OFF
– Digital voltmeter (–) lead to battery negative post
– Digital voltmeter (+) lead to designated test point
– Key switch to RUN, engine off
Refer to , Instrument Control Cluster (ICC) – 1023E , or Instrument Control Cluster (ICC) – 1025R for circuit schematics.
ICC Circuit — Test Procedure B:
CONDITIONS:
– Machine parked, park brake locked
– ICC Circuit — Test Procedure A completed
– All switches and components connected
– Transmission in NEUTRAL
– PTO On—Off switch to OFF
– Digital voltmeter (–) lead to battery negative post
– Digital voltmeter (+) lead to designated test point
– Start engine and run at slow idle
