Toyota Venza: System Diagram
SYSTEM DIAGRAM
1. CAN NO. 1 BUS
2. CAN NO. 2 BUS
3. CAN MS BUS
4. POWER MANAGEMENT BUS (w/ Smart Key System)
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING BATTERY CABLE
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnect ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
PRECAUTIONS WHEN TROUBLESHOOTING
NOTICE:
DTCs for the CAN communication system are as follows: U0073, U0100,
U0101, U0123, U0124, U0126, U0129, U0131, U0142, U01 ...
Other materials about Toyota Venza:
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 / Navigation System / Trouble
Codes.
(e) Check for DTCs (See page ).
...
ECU Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, voltage from the ECM's MREL terminal
is applied to the EFI MAIN relay. This causes the contacts of the EFI MAIN relay
to close, which supplies power to terminal +B of the TCM.
WIRING DIAGRAM
PR ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the key reminder warning
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
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