Toyota Venza: Diagnostic Trouble Code Chart

Toyota Venza Service Manual / Door Lock / Wireless Door Lock Control System(w/o Smart Key System) / 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 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 ...

Other materials about Toyota Venza:

Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6)
DESCRIPTION This DTC is stored when items controlled by the main body ECU (multiplex network body ECU) cannot be customized via the navigation system vehicle customization screen. HINT: The main body ECU (multiplex network body ECU) controls the items ...

No Answer-Back
DESCRIPTION In some cases, wireless door lock control functions are normal but the hazard warning light and/or wireless door lock buzzer answer-back function(s) does not operate. In such cases, the main body ECU (driver side junction block assembly) haz ...

AVC-LAN Circuit
DESCRIPTION Each unit of the navigation system connected to the AVC-LAN (communication bus) transmits switch signals via AVC-LAN communication. If a short to +B or short to ground occurs in the AVC-LAN, the navigation system will not function normally be ...