PROCEDURE
1. |
CHECK AUDIO SETTINGS |
(a) In sound output setting mode, set volume, fader and balance to the initial values and check that the sound is normal.
OK:
Audio system returns to normal.
HINT:
Sound quality adjustment measures vary according to the type of amplifier.
OK | ![]() |
END |
NG | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Toyota CH-R Service Manual > Navigation System: Extension Module Malfunction 2 (B1556)
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 condition ...
Toyota CH-R Service Manual > Smart Key System(for Entry Function): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the smart key system (for Entry
Function).
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...