Toyota Tundra Service Manual > Window Defogger System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the window defogger system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or repla ...
