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:

System Description
SYSTEM DESCRIPTION 1. OUTLINE OF THE COMBINATION METER ASSEMBLY (a) Meter or Gauge Item Detail Speedometer Indicates the vehicle speed based on a signal received from the skid control ECU. (CAN (CAN No ...

Vehicle Speed or Engine Speed Signal Malfunction (C2173/73)
DESCRIPTION The tire pressure warning ECU receives a vehicle speed signal from the combination meter and an engine speed signal from the ECM. The tire pressure warning ECU uses these signals to detect DTCs C2121/21 to C2124/24 (No Signal from Transmitter) ...

Assist Map Number Un-Writing (C1581)
DESCRIPTION The power steering ECU stores this DTC when it determines that the assist map is not written in the ECU. HINT: The assist map is data written in the power steering ECU to control the degree of assistance. The assist map is selected based on ...

© 2016-2026 Copyright www.tovenza.com

0.1487