Maintenance Manual for J2 Sedan
Electronic Control System
of Engine
227
phenomenon still exists at this point, reinstall the original ECM and repeat the procedures again to carry
out the Repair.
Trouble phenomenon 1: during the start-up, the engine does not run or runs slowly
General trouble position:
1. Battery; 2. Starter; 3.Wire harness or ignition switch; 4.Mechanical part of engine
General diagnosis procedure:
No.
Operating Steps
Detection Results
Subsequent Steps
Yes
Next step
1
Check the voltage between the two terminals of battery with
multi-meter to see whether it is about 8-12V during starting
of engine.
No
Replace battery
Yes
Next step
2
With ignition switch at the starting position, check voltage of
starter negative terminal to verify that it is above 8V.
No
Repair or replace
wire harness
Yes
Repair or replace the
starter
3
Dismantle the starter to check its operating state. Mainly
check for sticking due to open circuit or poor lubrication.
No
Next step
Yes
Change with
lubricating oil of
proper grade
4
If the trouble only present in winter, then check whether too
large resistance of starter is caused by improper selection of
the lubricating oil for engine or the gearbox oil.
No
Next step
Yes
Remove large
internal resistance of
engine
5
Check engine for too large internal mechanical resistance; if
it is a case, the failure of rotation or the slow rotation of
starter may occur.
No
Repeat above steps
