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. Main body ECU (driver side junction block assembly)


Dtc Check / Clear
DTC CHECK / CLEAR 1. DTC CHECK/CLEAR (USING TECHSTREAM) (a) CHECK DTC (1) Connect the Techstream to the DLC3. (2) Turn the ignition switch on (IG). (3) Read the DTC by following the prompts on th ...

Wireless Door Lock Tuner Circuit Malfunction (B1242)
DESCRIPTION The door control receiver receives signals from the transmitter and sends these signals to the main body ECU (driver side junction block assembly). DTC No. DTC De ...

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Headlight Leveling ECU Power Source Circuit
DESCRIPTION This circuit detects the state of the ignition switch, and sends it to the headlight leveling ECU assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the followin ...

Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION This DTC is stored when the engine switch power source supply line is open or shorted. DTC No. DTC Detection Condition Trouble Area B278A Engine switch power source supply line is ope ...

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 parts. This non-intrusive inspection can be very useful bec ...

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