Inspection Procedure
- Check pattern select switch.
PREPARATION:
Disconnect the pattern select switch connector.
CHECK:
Check continuity between each terminal of pattern select switch connector when the select switch is set to PWR, NORM and SNOW positions.
OK:
TESTER CONNECTION SPECIFIED CONDITIONSwitch condition Tester connection Specified condition PWR 3 - 7 Continuity NORM 1 - 3, 3 - 7 No continuity SNOW 1 - 3 Continuity If the continuity is not as specified, replace the switch.
- NG: Replace pattern select switch.
- OK: Go to next step.
- Check harness and connector between pattern select switch and body ECU No.1, 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 )