Warning lights inform the driver of malfunctions in the indicated vehicle’s systems.
*1: These lights turn on when the engine switch is turned to the “ON” position (vehicles without a smart key system) or IGNITION ON mode (vehicles with a smart key system) to indicate that a system check is being performed.
They will turn off after the engine is started, or after a few seconds.
There may be a malfunction in a system if a light does not come on, or if the lights do not turn off. Have the vehicle inspected by your Toyota dealer.
*2: If equipped *3: The light flashes to indicate a malfunction.
Hydraulic test
1. Perform hydraulic test
(a) Measure the line pressure.
NOTICE:
Perform the test at the normal operating ATF
(Automatic Transmission Fluid) temperature:
50 to 80°C (122 to 176°F).
The line pressure test should always be
carried out in pairs. One technician should
...
Diagnosis system
1. DESCRIPTION
(a) When troubleshooting OBD II vehicles, the only
difference from the usual troubleshooting procedure
is to connect an OBD II scan tool complying with
SAE J1987 or a intelligent tester to the vehicle, and
read off various data output from the vehicle's ECM.
(b) OBD II reg ...
System description
1. BRIEF DESCRIPTION
The CAN (Controller Area Network) is a serial data
communication system for real time application. It is
a vehicle multiplex communication system which
has a high communication speed (500 kbps) and
the ability to detect malfunctions.
By pairing the CANH and CANL bu ...