Toyota Venza manuals

Toyota Venza: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Main Body ECU (Driver Side junction Block Assembly)

DTC Code

Detection Item

Trouble Area

See page

B1206

P/W Master Switch Communication Stop

1. Multiplex network master switch assembly

2. Main body ECU (Driver side junction block assembly)

3. Wire harness or connector

4. ECU-B NO. 2 fuse


B124D

Lost Communication with AFS LIN

1. Inner rear view mirror assembly

2. Wire harness or connector

3. AFS ECU (headlight swivel ECU assembly)


B1273

Sliding Roof ECU Communication Stop

1. Sliding roof ECU (Sliding roof drive gear assembly)

2. Main body ECU (Driver side junction block assembly)

3. Wire harness or connector

4. S/R fuse


B2287

LIN Communication Master Malfunction

1. Multiplex network master switch assembly

2. Main body ECU (Driver side junction block assembly)

3. Wire harness or connector


B2321

Driver Side Door ECU Communication Stop

1. Power window regulator motor assembly (for Driver side)

2. Main body ECU (Driver side junction block assembly)

3. Multiplex network master switch assembly

4. Wire harness or connector

5. FL DOOR fuse


B2322

Front Passenger Side Door ECU Communication Stop

1. Power window regulator motor assembly (for Front passenger side)

2. Main body ECU (Driver side junction block assembly)

3. Wire harness or connector

4. FR DOOR fuse


B2323

Rear Door RH ECU Communication Stop

1. Power window regulator motor assembly (for Rear RH side)

2. Main body ECU (Driver side junction block assembly)

3. Wire harness or connector

4. RR DOOR fuse


B2324

Rear Door LH ECU Communication Stop

1. Power window regulator motor assembly (for Rear LH side)

2. Main body ECU (Driver side junction block assembly)

3. Wire harness or connector

4. RL DOOR fuse


B2325

LIN Communication Bus Malfunction

1. Power window regulator motor assembly (for Driver side)

2. Power window regulator motor assembly (for Front passenger side)

3. Power window regulator motor assembly (for Rear RH side)

4. Power window regulator motor assembly (for Rear LH side)

5. Multiplex network master switch assembly

6. Sliding roof ECU (Sliding roof drive gear assembly)

7. Main body ECU (Driver side junction block assembly)

8. Wire harness or connector


Certification ECU (Smart Key ECU Assembly)

DTC Code

Detection Item

Trouble Area

See page

B2785

Communication Malfunction between ECUs Connected by LIN

1. Certification ECU (Smart key ECU assembly)

2. Power source control ECU (Power management control computer assembly)

3. Steering lock ECU (Steering lock actuator assembly)

4. Wire harness or connector


B2786

No Response from Steering Lock ECU

1. Steering lock ECU (Steering lock actuator assembly)

2. Certification ECU (Smart key ECU assembly)

3. Wire harness or connector

4. STR LOCK fuse


B278C

Lost Communication with Power Source Control

1. Power source control ECU (Power management control computer assembly)

2. Certification ECU (Smart key ECU assembly)

3. Wire harness or connector

4. AM2 fuse


AFS ECU (headlight swivel ECU assembly)

DTC Code

Detection Item

Trouble Area

See page

B2432

Lost Communication with Automatic High Beam Sensor

1. Inner rear view mirror assembly

2. Wire harness or connector

3. AFS ECU (headlight swivel ECU assembly)


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 ...

No Response from Steering Lock ECU (B2786)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and steering lock ECU (steering lock actuator assembly) stops for more than 10 seconds ...

Other materials about Toyota Venza:

Radio Antenna Pole
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE ROOF ANTENNA POLE SUB-ASSEMBLY (a) Turn the roof antenna pole sub-assembly in the direction indicated by the arrow in the illustration to remove it. ...

Open in Outside Luggage Compartment Electrical Key Antenna Circuit (B27A8)
DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and sends it to the outside electrical key oscillator (for rear side). To detect the key near the driver door, the outside electrical key oscillator (for rear side) cr ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" ...

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