Subaru Legacy 2005 Service Manual page 4213

13.General Diagnostic Table
A: INSPECTION
Read the DTC or inspect and diagnose the following data in the current data display using Subaru Select
Monitor.
1. LAN SYSTEM
Item
DTC is not displayed when inspect-
Diagnostic code
ing all DTCs.
Check the current data display of
Engine coolant ECM, TCM and body integrated
temperature module. Three data value are the
same.
It turns to ON when pressing
R defogger SW
switch. (Low-speed CAN is OK)
R defogger output When switch input, it is output.
When locked with door lock switch,
Door lock SW
it turns to ON.
When locked with door lock switch,
Door lock actuator
it is output.
General Diagnostic Table
Operation
DTC is not dis-
LAN(diag)-83
Criterion
YES NO
Perform the diag-
nosis according to
played.
DTC.
Inspect LAN sys-
Same values
tem.
Inspect rear defog-
Turns to ON.
ger switch.
Replace the body
Output
integrated module.
Inspect door lock
Turns to ON.
switch.
Replace the body
Output
integrated module.
LAN SYSTEM (DIAGNOSTICS)
NOTE
—
If engine coolant tempera-
ture sensor is not OK,
inspect the sensor circuit.
Rear defogger switch is
connected with Low-
speed CAN.
If not operate with output,
check the rear defogger
relay.
Door lock switch is con-
nected with Low-speed
CAN.
—