Diesel Data: Automotive Repair

IG Power Source Circuit

IG Power Source Circuit

DESCRIPTION
The main power source is supplied to the air conditioning amplifier when the engine switch is on (IG).

The power source is used for operating the air conditioning amplifier and servo motor, etc.

Wiring Diagram:






Step 1:




Step 1 (Continued)-3:




INSPECTION PROCEDURE

HINT: Start the engine before inspection. Check the P-IG relay 1 or battery if the smart access system with push-button start does not start.