Please note that this manual applies to all models explains and all equipment, including options. Therefore, you may find some explanations for equipment not installed on your vehicle.
All specifications provided in this manual are current at the time of printing.
However, because of the Toyota policy of continual product improvement, we reserve the right to make changes at any time without notice.
Depending on specifications, the vehicle shown in the illustrations may differ from your vehicle in terms of equipment.
Noise from under vehicle after turning off the engineTerminals Of Ecu
TERMINALS OF ECU
1. CHECK COMBINATION METER ASSEMBLY
(a) Measure the resistance and voltage according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
...
Check Bus 3 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 6 (CA3H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 21 (CA3L) of the central
gateway ECU (network gateway ECU) and t ...
Ambient Temperature Sensor Circuit (B1412/12)
DESCRIPTION
The ambient temperature sensor is installed in front of the condenser to detect
the ambient temperature which is used to control the air conditioning system AUTO
mode. This sensor is connected to the air conditioning amplifier assembly and detects
fluctuations in the ambient tempe ...