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Information Center Test 1A - Identifying Information Center System Problems

NOTE: Perform SYMPTOM ID TEST 1A  before proceeding with this test. For connector terminal identification, refer to CONNECTOR IDENTIFICATION  . For wiring diagrams, refer to WIRING DIAGRAMS  . Refer to DOOR LOCKS - POWER & KEYLESS ENTRY SYSTEM article. After each repair, perform TEST VER-1A  .
CAUTION: Always turn ignition switch to OFF position prior to disconnecting any module connector. Ensure all connectors are clean and tight.
  1. Using scan tool, select BODY, then VIC. If scan tool displays NO RESPONSE, go to VEHICLE COMMUNICATIONS TEST 12A.
  2. If information center display is flashing, set date and time. Close all doors when monitoring information center messages to reduce number of displayed messages. Read information center messages or scan tool messages. Perform appropriate test. See INFORMATION CENTER DIAGNOSTIC TEST DIRECTORY table.
INFORMATION CENTER DIAGNOSTIC TEST DIRECTORY TALE

Problem Perform
Coolant Sensor Fault INFORMATION CENTER TEST 3A 
Rear Light Failure INFORMATION CENTER TEST 4A 
Service 4WD Switch INFORMATION CENTER TEST 5A 
Washer Sensor Fault INFORMATION CENTER TEST 7A 
Turn Signal On INFORMATION CENTER TEST 8A