Toyota Venza manuals

Toyota Venza: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "See page" in the DTC chart.

  • Inspect the fuses and relays before troubleshooting the areas shown in the table below.
Wireless Door Lock Control System

DTC Code

Detection Item

Trouble Area

See page

B1242

Wireless Door Lock Tuner Circuit Malfunction

1. Wire harness or connector

2. Door control receiver

3. Certification ECU (Smart key ECU assembly)


Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any p ...

Wireless Door Lock Tuner Circuit Malfunction (B1242)
DESCRIPTION The door control receiver is used to receive electrical waves relating to the entry functions of the smart key system. The certification ECU (smart key ECU assembly) decodes the reque ...

Other materials about Toyota Venza:

Removal
REMOVAL PROCEDURE 1. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE (a) Remove the engine oil level dipstick. (b) Remove the bolt and engine oil level dipstick guide. (c) Remove the O-ring from the engine ...

Test Mode Procedure
TEST MODE PROCEDURE 1. WARNING LIGHT AND INDICATOR LIGHT INITIAL CHECK (a) Release the parking brake. NOTICE: Before releasing the parking brake, move the shift lever to P for safety. HINT: When the parking brake is applied or the brake fluid level is lo ...

Check Mode Procedure
CHECK MODE PROCEDURE 1. DESCRIPTION (a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions that normal mode cannot detect. Check mode can also detect all the malfunctions that normal mode can detect. In check mode, DTCs are d ...

© 2016-2026 Copyright www.tovenza.com

0.1233