Toyota Venza: System Diagram
SYSTEM DIAGRAM
1. CAN SIGNAL
2. DIRECT LINE SIGNAL
(a) Combination Meter Assembly
(b) Accessory Meter Assembly
3. INPUT AND OUTPUT SIGNALS OF THE COMBINATION METER ASSEMBLY OR ACCESSORY METER ASSEMBLY
(a) Meter or Gauge
|
Meter or Gauge |
Communication Signal |
Sender |
Communication Line |
Receiver |
|---|---|---|---|---|
|
Speedometer |
Vehicle speed |
Skid Control ECU |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Tachometer |
Engine speed |
ECM |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Fuel receiver gauge |
Fuel level |
Fuel Sender Gauge Assembly |
Direct Line |
Combination Meter Assembly |
|
Engine coolant temperature receiver gauge |
Engine coolant temperature |
ECM |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
ODO/TRIP meter |
Drive monitor switch |
Drive Monitor Switch (RESET H*1 or SELECT RESET*2 Switch) |
Direct Line |
Combination Meter Assembly |
|
Meter illumination |
Illumination level |
Light Control Rheostat Knob |
- |
Combination Meter Assembly |
|
Auto dimmer |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
||
|
Tail cancel |
Combination Meter Assembly |
CAN (CAN No. 1 Bus) |
Main Body ECU (Driver Side Junction Block Assembly) |
|
|
Illumination level |
- *1: w/o Multi-information Display
- *2: w/ Multi-information Display
(b) Warning or Indicator
|
Warning or Indicator |
Communication Signal |
Sender |
Communication Line |
Receiver |
|---|---|---|---|---|
|
High beam indicator light |
High beam indicator light |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Turn indicator light |
Turn indicator light |
Turn Signal Flasher |
Direct Line |
Combination Meter Assembly |
|
Fuel level warning light |
Fuel level |
Fuel Sender Gauge Assembly |
Direct Line |
Combination Meter Assembly |
|
Brake warning light |
Brake warning light |
Skid Control ECU |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Brake fluid level |
Brake Fluid Level Warning Switch |
Direct Line |
||
|
SRS warning light |
SRS warning light |
Center Airbag Sensor Assembly |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Open door warning light |
Each door courtesy switch |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Oil pressure warning light |
Oil pressure |
Oil Pressure Switch |
Direct Line |
Combination Meter Assembly |
|
Charge warning light |
Charge warning light |
Generator |
Direct Line |
Combination Meter Assembly |
|
MIL (Check engine warning light) |
MIL (Check engine warning light) |
ECM |
Direct Line |
Accessory Meter Assembly |
|
Driver side seat belt warning light |
Driver side seat belt buckle switch |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
ABS warning light |
ABS warning light |
Skid Control ECU |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
EPS warning light |
EPS warning light |
Power Steering ECU |
CAN (CAN No. 1 Bus) |
Accessory Meter Assembly |
|
Front fog indicator light |
Front fog light |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Headlight leveling indicator light*1 |
Headlight leveling indicator |
Combination Meter Assembly |
Direct Line |
Headlight Leveling Assembly ECU |
|
Automatic high beam indicator light*2 |
Automatic high beam indicator light |
Combination Meter Assembly |
CAN (CAN No. 1 Bus) |
Main Body ECU (Driver Side Junction Block Assembly) |
|
Cruise SET indicator light |
Cruise SET indicator light |
Combination Meter Assembly |
CAN (CAN No. 1 Bus) |
ECM |
|
Tail indicator light |
Taillight |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Slip indicator light |
Slip indicator light |
Skid Control ECU |
Direct Line |
Accessory Meter Assembly |
|
Cruise indicator light |
Cruise indicator light |
ECM |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Shift position indicator |
Shift position |
ECM |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Passenger airbag ON/OFF indicator light |
Passenger airbag ON/OFF indicator light |
Accessory Meter Assembly |
Direct Line |
Center Airbag Sensor Assembly |
|
AWD warning light*5 |
AWD warning light |
Accessory Meter Assembly |
Direct Line |
Combination Meter Assembly |
|
Washer level warning light |
Washer level warning light |
Accessory Meter Assembly |
Direct Line |
Combination Meter Assembly |
|
Key indicator light*3 |
Key indicator light |
Accessory Meter Assembly |
Direct Line |
Certification ECU (Smart Key ECU Assembly) |
|
Security indicator light |
Security indicator light |
Accessory Meter Assembly |
Direct Line |
Transponder Key ECU Assembly*4 |
|
Certification ECU (Smart Key ECU Assembly)*3 |
||||
|
VSC OFF indicator light |
VSC OFF indicator light |
Accessory Meter Assembly |
Direct Line |
Combination Meter Assembly |
|
Slip indicator light |
Slip indicator light |
Accessory Meter Assembly |
Direct Line |
Combination Meter Assembly |
|
TRAC OFF indicator light |
TRAC OFF indicator light |
Accessory Meter Assembly |
Direct Line |
Combination Meter Assembly |
|
Front passenger side seat belt warning light |
Front passenger side seat belt buckle switch |
Center Airbag Sensor Assembly |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Front passenger side seat belt warning light |
Combination Meter Assembly |
Direct Line |
Accessory Meter Assembly |
|
|
Master warning light*6 |
Each system warning |
Combination Meter Assembly |
Direct Line |
Accessory Meter Assembly |
|
Tire pressure warning light |
Tire pressure warning light |
Tire Pressure Warning ECU |
Direct Line |
Combination Meter Assembly |
- *1: w/ Automatic Type Headlight Beam Level Control
- *2: w/ Automatic High Beam System
- *3: w/ Smart Key System
- *4: w/o Smart Key System
- *5: for AWD
- *6: w/ Multi-information Display
(c) Multi-information Display
|
Multi-information Display |
Communication Signal |
Sender |
Communication Line |
Receiver |
|---|---|---|---|---|
|
Outside temperature |
Outside temperature |
Air Conditioning Amplifier |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Average fuel consumption |
Engine speed |
ECM |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Fuel injection |
||||
|
Vehicle speed |
Skid Control ECU |
CAN (CAN No. 1 Bus) |
||
|
Drive monitor switch |
Drive Monitor Switch (RESET H*1 or SELECT RESET*2 Switch) |
Direct Line |
||
|
Average vehicle speed |
Vehicle speed |
Combination Meter Assembly |
CAN (CAN No. 1 Bus) |
Skid Control ECU |
|
Engine speed |
ECM |
|||
|
Drive monitor switch |
Direct Line |
Drive Monitor Switch (RESET H*1 or SELECT RESET*2 Switch) |
||
|
Driving time |
Engine speed |
Combination Meter Assembly |
CAN (CAN No. 1 Bus) |
ECM |
|
Drive monitor switch |
CAN (CAN No. 1 Bus) |
Drive Monitor Switch (RESET H*1 or SELECT RESET*2 Switch) |
||
|
Current fuel consumption |
Engine speed |
ECM |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Fuel injection |
||||
|
Vehicle speed |
Skid Control ECU |
CAN (CAN No. 1 Bus) |
||
|
Total driving distance |
||||
|
Driving range |
Engine speed |
ECM |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Fuel injection |
||||
|
Vehicle speed |
Skid Control ECU |
CAN (CAN No. 1 Bus) |
||
|
Total driving distance |
||||
|
Fuel level |
Fuel Sender Gauge Assembly |
Direct Line |
||
|
Diagnosis code |
Diagnosis code |
Skid Control ECU |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Open door warning |
Each door courtesy switch |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Steeling lock warning*3 |
Steeling lock warning |
Certification ECU (Smart Key ECU Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Multi-information display change |
Drive monitor switch |
Drive Monitor Switch (INFO CLOCK*1 or INFO*2 Switch) |
Direct Line |
Combination Meter Assembly |
|
Driving with parking brake unreleased |
Parking brake switch |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Vehicle speed |
Skid Control ECU |
Direct Line |
- *1: w/o Multi-information Display
- *2: w/ Multi-information Display
- *3: w/ Smart Key System
(d) Buzzer
|
Buzzer |
Communication Signal |
Sender |
Communication Line |
Receiver |
|---|---|---|---|---|
|
Key reminder buzzer |
Driver side door courtesy switch |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Ignition switch |
||||
|
Shift down reject buzzer |
Shift position |
ECM |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Seat belt warning buzzer |
Driver side seat belt buckle switch |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Front passenger side seat belt buckle switch |
Center Airbag Sensor Assembly |
CAN (CAN No. 1 Bus) |
||
|
Shift position R signal |
ECM |
CAN (CAN No. 1 Bus) |
||
|
Vehicle speed |
Skid Control ECU |
Direct Line |
||
|
Vehicle speed |
CAN (CAN No. 1 Bus) |
|||
|
Driving with any door opened warning buzzer |
Vehicle speed |
Skid Control ECU |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Each door courtesy switch |
Main Body ECU (Driver Side Junction Block Assembly) |
|||
|
Smart key warning request buzzer*1 |
Ignition switch |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Driving with parking brake unreleased warning buzzer |
Parking brake switch |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
|
Vehicle speed |
Skid Control ECU |
CAN (CAN No. 1 Bus) |
||
|
Sliding roof open warning buzzer |
Sliding roof open warning buzzer request |
Main Body ECU (Driver Side Junction Block Assembly) |
CAN (CAN No. 1 Bus) |
Combination Meter Assembly |
- *1: w/ Smart Key System
(e) Others
|
Signal |
Communication Signal |
Sender |
Communication Line |
Receiver |
|---|---|---|---|---|
|
Vehicle speed signal |
Vehicle speed |
Skid Control ECU |
Direct Line |
Combination Meter Assembly |
|
Vehicle speed |
Combination Meter Assembly |
Direct Line |
Related ECUs |
Precaution
PRECAUTION
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System Name
See Proc ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
...
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DESCRIPTION
The DTC is stored when the headlight leveling ECU assembly detects malfunctions
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DTC No.
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Washer Level Warning Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT LEVEL WARNING SWITCH ASSEMBLY
HINT:
The following check should be performed with the windshield washer motor and
pump installed to the washer jar.
(a) Fill the washe ...
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZING FUNCTION WITH TECHSTREAM
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Be sure to make a not ...
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