Inspection and adjustment
Audio systemSignal buffer system
System Diagram
System Description
OUTLINE
BCM has the signal transmission function that outputs/transmits each
input/received signal to each unit.
Signal transmission function list
Signal name
Input
Output
Description
Ignition switch ON si ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Trouble Diagnosis Flow Chart
Trouble Diagnosis Procedure
INTERVIEW WITH CUSTOMER
Interview with the customer is important to detect the root cause of CAN
communication system errors and to
understand vehicle condition and symptoms for proper trouble diagnosis ...
B terminal C
Description
The "B" terminal is constantly supplied with battery power.
Diagnosis Procedure
CAUTION: Perform diagnosis under the condition that
the engine cannot start by the following procedure.
Remove fuel pump fuse.
Crank or start the engine (where possible) unt ...