Toyota Tacoma Owners Manual: Automatic transmission
Select a shift position appropriate for the driving conditions.
■ Shifting the shift lever
5-speed models
While the engine switch is on, depress
the brake pedal and move the shift lever.
4-speed models
While the engine switch is on, depress
the brake pedal and move the shift lever.
■ Shift position uses
*: To improve fuel consumption and reduce noises, set the shift lever in D for normal driving.
■Downshifting restrictions
The shift lever cannot be downshifted if the following speeds are exceeded.
2WD models
4WD models
■When driving with the cruise control system (if equipped)
The engine brake will not operate when downshifting from D to 4 (5-speed models) or 3 (4-speed models).
■If the shift lever cannot be shifted from P
■AI-SHIFT
AI-SHIFT automatically selects the suitable gear according to driver performance and driving conditions.
AI-SHIFT automatically operates when the shift lever is in the D position.
The engine speed may remain high after releasing the accelerator pedal.
This does not indicate a malfunction.
Engine (ignition) switch
■ Engine switch
LOCK
The steering wheel is locked and the key can be removed.
(Vehicles with an automatic transmission: The key can be removed only when the
shift lever is in P.)
ACC
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Manual transmission
■ Shifting the shift lever
6-speed models
Fully depress the clutch pedal before operating the shift lever, and then release
it slowly.
5-speed models
Fully depress the clutch pedal b ...
Other materials:
Power Supply Drive Circuit (C1257)
DESCRIPTION
The motor relay (semiconductor relay) is built into the hydraulic brake booster
and drives the pump motor based on a signal from the skid control ECU (master cylinder
solenoid).
DTC No.
DTC Detecting Condition
Trouble Areas
C1257
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Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE ROOM LIGHT BRACKET
(a) Disengage the guide to remove the room light bracket.
2. REMOVE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY
(a) Remove the 2 bolts and sliding roof drive gear sub-assembly.
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Immobiliser System does not Operate Properly
DESCRIPTION
The engine immobiliser system compares the ID code that is registered in the
certification ECU (smart key ECU assembly) with the ID code of the transponder chip
that is embedded in the electrical key transmitter sub-assembly.
WIRING DIAGRAM
(See page ).
CAUTION / NOTICE / HINT
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