Inspection Procedure
- Check pattern select switch.
PREPARATION:
Disconnect the pattern select switch connector.
CHECK:
Check resistance between each terminal of pattern select switch connector when the select switch is set to PWR, NORM and SNOW positions.
OK:
PATTERN SELECT SWITCHSwitch Condition Tester Connection Specified Condition PWR 2-4 Below 1 Ω NORM 2-4, 4-5 10 kΩ or higher SNOW 4-5 Below 1 Ω NG: Replace pattern select switch.
OK: Go to next step.
- Check harness and connector between A/C control assembly and pattern select switch, pattern select switch and body ground (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
).
NG: Repair or replace the harness or connector.
OK: Proceed to next circuit inspection shown on problem symptoms table (See PROBLEM SYMPTOMS TABLE ).