DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: When using a vise, do not overtighten it. PROCEDURE 1. REMOVE TRANSPONDER KEY AMPLIFIER (w/ Engine Immobiliser System) (a) Using a screwdriver, widen the claws attached to the upper bracket by approximately 1.0 mm (0.0394 in.). (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) (a) Using a screwdriver, widen the claws attached to the upper bracket by approximately 1.0 mm (0.0394 in.). (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: Cranking Holding Function Circuit
DESCRIPTION The cranking holding control system keeps energizing the starter relay from when the ECM detects the starter signal (STSW signal) from the ignition switch until the ECM performs a judgment of "Engine started". Furthermore, the ECM outputs an accessory cut signal (ACCR signal) to the ACC ...