A/C Idle Up Circuit
A/C Idle Up Circuit
CIRCUIT DESCRIPTION
When the air conditioning operates (increased engine Load),this Circuit switches the VSV ON and increases the amount of bypass air to increase the idle speed, thus maintaining driveability.
WIRING DIAGRAM
INSPECTION PROCEDURE
Step 1:
Step 2:
Step 3:
TOYOTA hand-held tester
Step 1:
Step 2:
Step 3:
OBD II scan tool (excluding TOYOTA hand-held tester)