| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM10000000161KS |
| Model Year Start: 2018 | Model: Camry HV | Prod Date Range: [07/2017 - ] |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B1556; Extension Module Malfunction 2; 2018 - 2024 MY Camry HV [07/2017 - ] | ||
|
DTC |
B1556 |
Extension Module Malfunction 2 |
DESCRIPTION
These DTCs are stored when a malfunction occurs in the Navigation ECU.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B1556 |
Extension Module Malfunction 2 |
When any of the following conditions is met:
|
Navigation ECU |
CAUTION / NOTICE / HINT
NOTICE:
When replacing the navigation ECU, always replace it with a new one. If a navigation ECU which was installed to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
- The navigation ECU may not operate normally.
PROCEDURE
|
1. |
CHECK DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK:
No DTCs are output.
| OK |
|
USE SIMULATION METHOD TO CHECK
|
![2018 MY Camry HV [07/2017 - 09/2018]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
| NG |
|
REPLACE NAVIGATION ECU
|
|
|