DESCRIPTION
This DTC is 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:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
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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 CodesOK:
No DTCs are output.
OK | USE SIMULATION METHOD TO CHECK |
NG | REPLACE NAVIGATION ECU |
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