REMOVAL PROCEDURE 1. REMOVE V-BANK COVER SUB-ASSEMBLY 2. REMOVE AIR CLEANER HOSE ASSEMBLY 3. DISCONNECT NO. 3 VENTILATION HOSE
4. DISCONNECT NO. 1 AIR HOSE
5. REMOVE AIR SWITCHING VALVE ASSEMBLY
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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 ...