Toyota Venza: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is displayed during the DTC check, check the circuit listed for the code in the table below (proceed to the page listed for that circuit).
HINT:
When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, perform troubleshooting for the occupant classification system as shown in the chart below.
Occupant Classification System|
DTC Code |
Detection Item |
Trouble Area |
Passenger Airbag ON/OFF Indicator (OFF indicator) |
See page |
|---|---|---|---|---|
|
B1771 |
Passenger Side Buckle Switch Circuit Malfunction |
1. Front seat inner belt assembly RH (Passenger side buckle switch) 2. Occupant classification ECU 3. Front seat wire RH (for Power seat) 3. No. 2 floor wire (for Manual seat) |
ON |
|
|
B1780 |
Front Occupant Classification Sensor LH Circuit Malfunction |
1. Front seat frame with adjuster assembly RH (Front occupant classification sensor LH) 2. Occupant classification ECU 3. Front seat wire RH |
ON |
|
|
B1781 |
Front Occupant Classification Sensor RH Circuit Malfunction |
1. Front seat frame with adjuster assembly RH (Front occupant classification sensor RH) 2. Occupant classification ECU 3. Front seat wire RH |
ON |
|
|
B1782 |
Rear Occupant Classification Sensor LH Circuit Malfunction |
1. Front seat frame with adjuster assembly RH (Rear occupant classification sensor LH) 2. Occupant classification ECU 3. Front seat wire RH |
ON |
|
|
B1783 |
Rear Occupant Classification Sensor RH Circuit Malfunction |
1. Front seat frame with adjuster assembly RH (Rear occupant classification sensor RH) 2. Occupant classification ECU 3. Front seat wire RH |
ON |
|
|
B1785 |
Front Occupant Classification Sensor LH Collision Detection |
1. Front seat frame with adjuster assembly RH (Front occupant classification sensor LH) 2. Occupant classification ECU |
ON |
|
|
B1786 |
Front Occupant Classification Sensor RH Collision Detection |
1. Front seat frame with adjuster assembly RH (Front occupant classification sensor RH) 2. Occupant classification ECU |
ON |
|
|
B1787 |
Rear Occupant Classification Sensor LH Collision Detection |
1. Front seat frame with adjuster assembly RH (Rear occupant classification sensor LH) 2. Occupant classification ECU |
ON |
|
|
B1788 |
Rear Occupant Classification Sensor RH Collision Detection |
1. Front seat frame with adjuster assembly RH (Rear occupant classification sensor RH) 2. Occupant classification ECU |
ON |
|
|
B1790 |
Center Airbag Sensor Assembly Communication Circuit Malfunction |
1. Occupant classification ECU 2. Center airbag sensor assembly 3. Front seat wire RH (for Power seat) 4. No. 2 floor wire 5. Junction connector |
ON |
|
|
B1793 |
Occupant Classification Sensor Power Supply Circuit Malfunction |
1. Front seat frame with adjuster assembly RH (Occupant classification sensors) 2. Occupant classification ECU 3. Front seat wire RH |
ON |
|
|
B1794 |
Open in Occupant Classification ECU Battery Positive Line |
1. Battery 2. ECU-B fuse 3. Wire harness 4. Occupant classification ECU |
ON |
|
|
B1795 |
Occupant Classification ECU Malfunction |
Occupant classification ECU |
ON |
|
|
B1796 |
Sleep Operation Failure of Occupant Classification ECU |
Occupant classification ECU |
ON |
|
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Sleep Operation Failure of Occupant Classification ECU (B1796)
DESCRIPTION
In sleep mode, the occupant classification ECU reads the condition of each sensor
while the ignition switch is off.
In this mode, if occupant classification ECU detects an internal mal ...
Occupant Classification ECU Malfunction (B1795)
DESCRIPTION
DTC B1795 is recorded when a malfunction is detected in the occupant classification
ECU.
Troubleshoot DTC B1771 first if DTCs B1771 and B1795 are output simultaneously.
DTC ...
Other materials about Toyota Venza:
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repair" after replacing the camshaft, No. 2 camshaft,
camshaft timing gear assembly, camshaft timing exhaust gear assembly or cylinder
head sub-assembly (See page ).
PROCED ...
Hill-start assist control
Hill-start assist control helps to prevent the vehicle from rolling backwards
when starting on incline or slippery slope.
To engage hill-start assist control, further depress the brake pedal when the
vehicle is stopped completely.
A buzzer will sound o ...
Skid Control ECU Malfunction (C1300/62)
DESCRIPTION
The skid control ECU outputs this DTC, if malfunctions are found in the circuit
inside the ECU by self diagnosis.
DTC Code
DTC Detection Condition
Trouble Area
C1300/62
Internal failu ...
0.1231