Checking Cables And Wires
1.
Check the terminal for tightness.
2.
Check terminals and wires for corrosion from battery
electrolyte, etc.
3.
...
ECM Problem Inspection Procedure
1.
TEST ECM GROUND CIRCUIT: Measure resistance between
ECM and chassis ground using the backside of ECM harness connector as
ECM side check point. If the problem is fo ...
Inspection
1.
Immerse the thermostat in water and gradually heat
the water.
2.
Check the valve opening temperature.
...