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ENGINE (J05E)/TROUBLESHOOTING
2–704
INSPECTION PROCEDURE: P0686
1.
Check the connection of the main relay (EDU relay) (inside chassis
relay block B) (looseness or poor contact).
NO
YES
1.
Set the starter key to the "LOCK" position.
2.
Disconnect the main relay.
3.
Use the electrical tester to measure the resistance between the
terminals of the main relay.
NO
YES
1
Inspect the main (EDU) relay
Was any failure found?
Connect securely, repair if needed.
Perform "After-inspection work" of INFOR-
MATION section.
Go to step 2.
2
Inspect the main relay unit
SHTS021270300643
Tester connections
Standard values
Main relay terminals
1 in the figure: 167
2 in the figure:
Do the measurements meet the standard value?
Go to step 3.
Repair or replace the main relay.
Perform "After-inspection work" of INFOR-
MATION section.