INSTALLATION PROCEDURE 1. INSTALL BRAKE VACUUM CHECK VALVE ASSEMBLY 2. INSTALL BRAKE BOOSTER ASSEMBLY (a) Install the clevis. (b) Install a new brake booster gasket to the brake booster.
3. INSTALL PUSH ROD PIN
4. INSTALL NO. 3 AIR DUCT SUB-ASSEMBLY
5. INSTALL LOWER NO. 1INSTRUMENT PANEL AIR BAG ASSEMBLY
6. CONNECT VACUUM HOSE ASSEMBLY (a) Connect the vacuum hose onto the check valve. NOTICE: Do not use lubricant when installing a vacuum hose on the brake booster and check valve sides. 7. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY Click here 8. CONNECT BRAKE TUBE
(d) Attach the clamp. (e) Attach the 4 claws and connect the 2 No. 2 brake tube clamp. 9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable some systems need to be initialized after the cable is reconnected (See page ). 10. CHECK AND ADJUST BRAKE PEDAL (a) Check and adjust brake pedal (See page ). 11. INSPECT BRAKE BOOSTER
12. BLEED BRAKE SYSTEM
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Toyota Tundra Service Manual > Sfi System: Catalyst System Efficiency Below Threshold (Bank 1) (P0420,P0430)
MONITOR DESCRIPTION The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency. The first sensor, the Air-Fuel Ratio (A/F) sensor, sends pre-catalyst information to the ECM. The second sensor, the Heated Oxygen (HO2) sensor, sends post-catal ...