Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to BCS-36, "Diagnosis Procedure".
Is the inspection result normal?
ADP branch line circuit
DLC branch line circuitCAN communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose
connection.
2.CHECK HARNESS CON ...
U1000 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex communication line with high data
communication speed and excellent error detection ability. Many electronic
control units are equipped on a vehicle and each contr ...
Spark Plug
Exploded View
Ignition coil
Spark plug
Rocker cover (RH)
Rocker cover (LH)
Removal and Installation
REMOVAL
Remove the ignition coil. Refer to EM-42, "Removal and
Installation (LH)" and EM-42, "Removal and Installation (RH)".
Remove the spark plug with a suitable spark p ...