(1) There is no voltage between ECM terminals THG and E2 (E21)
(Engine running at 2,000 rpm)
(2) Check that there is voltage between ECM terminal +B (+B1)
and body ground. (IG SW ON)
Check wiring between ECM terminal E1 and body ground.
Check wiring between ECM and
EGR gas temp. sensor.
Replace EGR gas temp.
sensor.
Check EGR gas temp. sensor.
Check EGR system.
Try another ECM.
Repair or replace.
Repair or replace.
Repair or replace.
Refer to No. 1 .
BAD
BAD
BAD
BAD
–ENGINE MFI SYSTEM
EG1–176
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