A Symptom Table - Front Heated Windshield System

SYMPTOM DIAGNOSIS

System on LED is off. Do Test B - do 1st
Windshield does not heat. Do Test C - do 2nd
Do Test D - do 3rd

System on LED is off. Do Test C, step 3
Windshield heats.

System on LED is on. Do Test D
Windshield does not heat.

Idle speed does not increase Do Test E
when Heated Windshield is
turned on.

Volts indicator in instrument Do Test F - do 1st
panel lights when Heated Do Test B, step 1 - do 2nd
Windshield is turned on.

System on LED lights for Do Test B - 1st
incorrect amount of time. Replace Windshield Control Module - do 2nd

System on LED does not go Replace Windshield Control Module
off when heated windshield
control switch is pressed a
second time.