EN(H6DO)(diag)-65
Malfunction Indicator Light
ENGINE (DIAGNOSTICS)
Step
Check
Yes
No
1
CHECK DELIVERY (TEST) MODE CONNEC-
TOR.
1) Disconnect the delivery (test) mode connec-
tor.
2) Turn the ignition switch to ON.
Does the malfunction indicator
light blink?
Go to step 2.
System is normal.
NOTE:
Malfunction indica-
tor light blinks
when delivery
(test) mode con-
nector is connect-
ed.
2
CHECK HARNESS BETWEEN ECM CON-
NECTOR AND CHASSIS GROUND TERMI-
NAL.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from ECM.
3) Measure the resistance of harness between
ECM connector and chassis ground.
Connector & terminal
(B135) No. 27 — Chassis ground:
Is the resistance less than 5
:? Repair the short
circuit to ground in
harness between
ECM and delivery
(test) mode con-
nector.
Replace the ECM.
<Ref. to
FU(H6DO)-38,
Engine Control
Module (ECM).>