DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: When using a vise, do not overtighten it. PROCEDURE 1. REMOVE TRANSPONDER KEY AMPLIFIER (w/ Engine Immobiliser System)
(b) Pull out the transponder key amplifier with the claws open. NOTICE: Using excessive force may damage the case. 2. REMOVE KEY CYLINDER LIGHT ASSEMBLY (w/o Engine Immobiliser System)
(b) Pull out the key cylinder light with the claws open. NOTICE: Using excessive force may damage the case. 3. REMOVE UPPER STEERING COLUMN WITH SWITCH BRACKET ASSEMBLY (a) Secure the steering column in a vise. (b) Using a center punch, mark the center of the 2 tapered-head bolts. (c) Using a 3 to 4 mm (0.119 to 0.159 in.) drill, drill a hole in the 2 tapered-head bolts.
4. REMOVE IGNITION SWITCH LOCK CYLINDER ASSEMBLY (a) Turn the ignition switch lock cylinder to the ACC position.
5. REMOVE UNLOCK WARNING SWITCH ASSEMBLY
6. REMOVE KEY INTERLOCK SOLENOID
7. REMOVE IGNITION SWITCH ASSEMBLY
8. REMOVE STEERING COLUMN BRACKET SPACER
(b) Remove the No. 1 tilt steering support collar from the lower steering column tube. |
Toyota Tundra Service Manual > Sfi System: Fuel Pump Control Circuit
DESCRIPTION The fuel pump circuit consists of the ECM, fuel pump and fuel pump ECU (which operates the fuel pump). Based on the engine output, the ECM determines the fuel pump speed. The speed is then converted to a duty signal and sent to the fuel pump ECU. Based on the signal sent from the ECM, th ...