6-1-96 ENGINE GENERAL INFORMATION AND DIAGNOSIS (SFI FOR G13)
Main
fuse
M/T vehicle
A/T vehicle
Ignition
switch
(starter
switch)
Starter
Starter
Transmission
range sensor (switch)
Main
fuse
Ignition
switch
(starter
switch)
DTC P1500 ENGINE STARTER SIGNAL CIRCUIT MALFUNCTION
CIRCUIT DESCRIPTION
DTC DETECTING CONDITION POSSIBLE CAUSE
D Low voltage at terminal C03-17 when cranking
engine or
D High voltage at terminal C03-17 after starting engine.
: 2 driving cycle detection logic, continuous monitoring.
D “B/Y” circuit open
D ECM (PCM) malfunction
DTC CONFIRMATION PROCEDURE
1) Turn ignition switch OFF.
2) Clear DTC with ignition switch ON, crank engine and run it at idle for 3 min.
3) Check pending DTC in “ON BOARD TEST” or “PENDING DTC” mode and DTC in “DTC” mode.
INSPECTION
STEP ACTION YES NO
1 Was “ENGINE DIAG. FLOW TABLE” performed? Go to Step 2. Go to “ENGINE DIAG.
FLOW TABLE”.
2 Check for voltage at terminal C03-17 of ECM
(PCM) connector connected, under following
condition.
While engine cranking : 6 – 10 V
After starting engine : 0 V
Is voltage as specified?
Poor C03-17
connection or
intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection”
in Section 0A.
If wire and connections
are OK, substitute a
known-good ECM
(PCM) and recheck.
“B/Y” circuit open.
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