Shifting from H4 to L4
Stop the vehicle completely and
continue to depress the brake pedal.
Shift the shift lever to N.
Type A
Shift the front-wheel drive
control lever to L4.
Type B
Push the “UNLOCK” button and
then push and turn the frontwheel drive control switch to L4.
The low speed four-wheel drive indicator will turn on.
Shifting from L4 to H4
Stop the vehicle completely and
continue to depress the brake pedal.
Shift the shift lever to N.
Type A
Shift the front-wheel drive
control lever to H4.
Type B
Push the “UNLOCK” button and
turn the front-wheel drive control switch to H4.
The low speed four-wheel drive indicator will go off.
When the front-wheel drive control lever or switch is shifted to L4
VSC and TRAC are automatically turned off.
If the four-wheel drive indicator flashes
The transfer mode may not successfully change. Drive straight ahead while accelerating or decelerating, or drive in reverse.
If the low speed four-wheel drive indicator continues to flash
The transfer mode may not successfully change. Operate the four-wheel drive control switch again.
If the low speed four-wheel drive indicator continues to flash and a buzzer sounds
The shift lever is not in N and/or the vehicle is moving. Stop the vehicle completely, shift the shift lever to N and make sure that the indicator stops flashing.
If the four-wheel drive or low speed four-wheel drive indicator flashes rapidly
There may be a malfunction in the four-wheel drive system. Have the vehicle inspected by your Toyota dealer immediately.
Four-wheel drive usage frequency
You should drive in four-wheel drive for at least 10 miles (16 km) each month.
This will assure that the front drive components are lubricated.
CAUTION
Shifting the front-wheel drive control lever or switch from H2 to H4 while driving
Never operate the front-wheel drive control lever or switch if the wheels are slipping.
Stop the slipping or spinning before shifting.
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Certification ECU
Power management control ECU
Engine immobiliser system set/unset signal
Engi ...
Terminals Of Ecu
TERMINALS OF ECU
1. AIR CONDITIONING AMPLIFIER
(a) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
...