FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) Headlight ECU sub-assembly
(1) The headlight ECU sub-assemblies stop light operation if the following malfunctions are detected.
Malfunction |
Multi-information Display Warning |
DTC Output |
||
---|---|---|---|---|
Lighting on/off |
LED light source malfunction |
Low beam |
Displayed |
Output |
High beam |
Not Displayed |
Output |
||
Fan malfunction |
Displayed |
Output |
||
Other than above (communication with main body ECU (multiplex network body ECU)) |
Displayed |
Output |
||
Automatic headlight beam level control system |
Displayed |
Output |
||
Power supply |
IG voltage line malfunction |
Displayed |
Output |
|
Other than an IG voltage line malfunction |
Not displayed |
Not output |
Toyota CH-R Service Manual > Can Communication System: Open in One Side of Bus 5 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
Toyota CH-R Service Manual > Door Control Switch: Inspection
INSPECTION
PROCEDURE
1. INSPECT MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
(a) Check that the LED illuminates.
(1) Apply battery voltage to the multiplex network master switch assembly
and check that the LED illuminates.
OK:
Measurement Condition
...