Test 10A - Compass/Temperature Module Problems

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Compass/temperature module diagnostics are separated into 7 categories. Verify customer complaint and identify problem area before performing appropriate test. Perform tests in order indicated. See DIAGNOSING COMPASS/TEMPERATURE PROBLEMS table.

DIAGNOSING COMPASS/TEMPERATURE PROBLEMS

Description	Perform Test
Module Shows Trouble Codes	Replace Module
COMP/TEMP & US/M Buttons	Replace Module
Blank Display	TEST 11A
VFD Segment	TEST 12A
Display Illumination	TEST 13A
Compass Direction Reading	TEST 14A
Ambient Temperature Reading	TEST 15A