Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.

BCM branch line circuit
M&A branch line circuitPrecaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER",
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver a ...
P0078, P0084 EVT control magnet retarder
Description
Exhaust valve timing control magnet retarder (1) controls the shut/
open timing of the exhaust valve by ON/OFF pulse duty signals sent
from the ECM.
The longer pulse width retards valve timing.
The shorter pulse width advances valve timing.
DTC Logic
DTC DETECTION LOGIC
...
Control valve
Exploded View
Transaxle assembly
Control valve
Snap ring
Collar
Manual plate
Lock nut
Lock nut
Oil pan bolt
O-ring
Drain plug
Oil pan
...