PROCEDURE
|
1. |
CHECK DISPLAY SETTING |
(a) Reset display settings (contrast, brightness) and check that the screen appears normal.
OK:
The display returns to normal.
| OK | |
END |
| NG | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Touch Panel Switch does not Function
Poor Sound Quality in All Modes (Low Volume)Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (IMI - EFIO) between the ECM and ID code box (immobiliser
code ECU) is stuck high, the ECM will store this DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B279A
...
Toyota CH-R Service Manual > Navigation System: Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter
DESCRIPTION
The navigation ECU receives a vehicle speed signal from the combination meter
assembly.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the
combination meter assembly. The signal is changed to a pulse signal at the
transistor in the combinati ...