Toyota Venza: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The power window control system data can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
2. CHECK DLC3
(a) Check the DLC3 (See page .gif)
).
3. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
Terminals Of Ecu
TERMINALS OF ECU
1. POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
(a) Disconnect the I6 power window regulator master switch assembly connector.
(b) Measure the voltage and resistance according t ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / (desired sy ...
Other materials about Toyota Venza:
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (w/ POWER BACK DOOR
SYSTEM)
(a) Disconnect the L20 power back door ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
...
Transmitter Battery(w/o Smart Key System)
Replacement
REPLACEMENT
PROCEDURE
1. REMOVE TRANSMITTER HOUSING COVER
(a) Using a precision screwdriver with its tip wrapped in protective
tape, pry open the transmitter housing cover.
NOTICE:
Do not forcibly pry the cover.
HINT:
...
Lost Communication with Power Source Control (B278C)
DESCRIPTION
This DTC is stored when LIN communication between the certification ECU (smart
key ECU assembly) and power management control ECU stops for more than 10 seconds.
DTC Code
DTC Detection Condition
Trouble Area
...
0.1531