Check EMC
- Ignition OFF.
- 4WD ECM : Connect, EMC : Disconnect.
- Measure resistance between EMC (+) terminal of EMC harness connector and EMC (-) terminal of EMC harness connector. (Component side)
Specification : Approx 1.8 ~ 2.2 Ω
CAUTION: The above value is only for reference.
The actual value may differ from it according to various engine condition. - Is "resistance" display near the specified value?
YES:
- Substitute with a known-good "4WD-ECM" and check for proper operation.
If the problem is corrected, replace "4WD-ECM" and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO:
- Substitute with a known-good "EMC" and check for proper operation.
If the problem is corrected, replace "EMC" and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.