Figure 4-4, Ambient Temperature Conversion Chart - Garmin G1000 Nxi System Maintenance Manual

5. On the right hand circuit breaker panel, open the GIA1 (PRI) and GIA1 (SEC) circuit
breakers, and verify the last observed ITT indication remains unchanged. Reset the
GIA1 (PRI) and GIA1 (SEC) circuit breakers.
6. Repeat Table 4-12 test for the right engine gauge using the right engine thermocouple
junction block.
7. Pull the GIA 2 circuit breaker, and verify the last observed ITT indication remains
unchanged. Reset the GIA 2 circuit breaker.
8. Turn off the G1000 system and remove external power from aircraft.
9. Reconnect all thermocouple wires to the junction blocks and torque nuts per Beechcraft
King Air 300 Series Maintenance Manual, Chapter 77-00-00.

Figure 4-4, Ambient Temperature Conversion Chart

Torque
1. Disconnect the left engine firewall connector J102 and right engine firewall connector
J103.
2. Inject a DC voltage into GEA 1 by connecting the DC power supply to the left engine
firewall connector-pins J102-C (HI) and J102-R (LO).
3. Apply external power to aircraft and start the G1000 system in normal mode.
4. Verify the gauge indications at the test points in Table 4-13 are within the specified
tolerances.
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Page 127
Revision 1