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:
Clock Display Circuit
DESCRIPTION
The accessory meter assembly uses this circuit to communicate with the combination
meter assembly via the direct line. The accessory meter assembly uses this circuit
to receive the drive monitor switch signals from the combination meter assemb ...
Initialization
INITIALIZATION
1. INITIALIZE POWER WINDOW CONTROL SYSTEM (POWER WINDOW REGULATOR MOTOR ASSEMBLY
(ALL DOORS))
CAUTION:
When the power window regulator motor assembly is reinstalled or replaced, the
power window control system must be initialized. Functio ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
When disconnecting the steering intermediate shaft assembly and pinion shaft
of steering gear assembly, be sure to place matchmarks before servicing.
PROCEDURE
1. INSTALL TIE ROD ASSEMBLY LH
(a) I ...
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