SRS AIR BAG SYSTEM
Wiring Diagram













ECU diagnosis information
Basic inspectionU0100 lost communication (ECM A)
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0100
LOST COMM (ECM A)
(Lost Communication With ECM/PCM A)
When the ignition switch is ON, TCM is unable to receive the CAN
communications signal f ...
Power window retained power operation does not operate
properly
Diagnosis Procedure
1.CHECK DOOR SWITCH
Check door switch.
Refer to DLK-149, "Component Function Check" (with Intelligent Key system) or
DLK-319,
"Component Function Check" (without Intelligent Key system).
Is the inspection result normal?
YES >> GO TO 2.
NO ...
Interior room lamp control circuit
Description
Controls each interior room lamp (ground side) by PWM signal.
NOTE:
PWM signal control period is approximately 250 Hz (in the gradual
brightening/dimming).
Component Function Check
CAUTION:
Before performing the diagnosis, check that the following is normal.
Interior ro ...