Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000018QYV
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B15E5; Electric Throttle Malfunction; 2018 - 2020 MY Sienna [11/2017 -        ]

DTC

B15E5

Electric Throttle Malfunction

DESCRIPTION

DTC Code

DTC Detection Condition

Trouble Area

B15E5

Electric throttle sensor malfunction
  • CAN communication system
  • SFI system
  • Radio and display receiver assembly

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

    Click here 2018 - 2020 MY Sienna [11/2017 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PRECAUTION

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC is stored.
    • The radio and display receiver assembly may not operate normally.

CAUTION / NOTICE / HINT

NOTICE:

When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:

  • A communication malfunction DTC is stored.
  • The radio and display receiver assembly may not operate normally.

PROCEDURE

1.

CHECK DTC (CAN COMMUNICATION SYSTEM)

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here 2018 MY Sienna [11/2017 - 08/2018]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM 2019 - 2020 MY Sienna [08/2018 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM

NG

GO TO CAN COMMUNICATION SYSTEM

OK

2.

CHECK DTC (SFI SYSTEM)

(a) Use the Techstream to check if the SFI system is functioning normally.

NG

GO TO SFI SYSTEM

OK

3.

CHECK DTC

(a) Clear the DTCs.

(b) Recheck for DTCs and check that no DTCs are output.

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY