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Component Inspection

Check Main Relay

IG "OFF"
Disconnect Main Relay
Measure resistance between terminal 5 and 3 of Main Relay

Measure resistance between terminal 4 and 2 of Main Relay.

SPECIFICATION:

TERMINALS REFERENCE CHART

Terminal	Continuity
3 ~ 5	NO
2 ~ 4	YES (Approx. 70Ω ~ 120Ω)

Fig 1: Measuring Resistance Between Terminal 4 And 2 Of Main Relay

G04879952

Is the measured resistance within specification?
YES
- Substitute with a known - good PCM and check for proper operation.
  If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NOTE: There is a memory reset function on scantool that can erase optional parts automatically detected and memorized by PCM.

NO
- Substitute with a known - good Main Relay and check for proper operation.
  If the problem is corrected, replace Main Relay and go to "VERIFICATION OF VEHICLE REPAIR " procedure.