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FI-52
EFI SYSTEM
-
Troubleshooting
with Volt/Ohmmeter
(MA)
No.
'10
Terminals
lGdA - El
IGdS
Trouble
No voltage
._
Condition
idling
STD Voltage
/
1 -3V
'7M-GTE only
Fusible
Link
AM2
30A
Ignition
Switch
AM241G2
T
Battery 1
L
I =
TO
7
Tachometer
niter
L
I =
ECU
IGdA
IGdB
El
Joltmeter
F1195
-l
0
There is no voltage between ECU terminals IGdA or IGdB and
El. (Idlinal
0
Check that there is voltage between
ECU terminal IGdA or
IGdB and body ground. (Idling)
,
I
I
,
NO
1
9
0
Check wiring between
ECU
BAD
Repair or
L
terminal El and body ground.
replace.
OK
Try another ECU.
Check fusible links and ignition
BAD
switch.
-
Repair or replace.
c
I
I
1
I
r
1
Check cam position sensor.
(See page IG-18)
I
Repair or replace.
I
Check wiring between ECU and
batter-v.
Repair or replace.
I
1
J
I
BAD
I
I
I
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Troubleshooting
