Nissan Terrano model r20 series 2004. Instruction — part 115
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch “ON” and wait at least 2 seconds.
2) Select “DATA MONITOR” mode with CONSULT-II.
3) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to “START” for at
least 2 seconds.)
4) If DTC is detected, go to “Diagnostic Procedure”, EC-185.
WITHOUT CONSULT-II
1) Turn ignition switch “ON” and wait at least 2 seconds.
2) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to “START” for at
least 2 seconds.)
3) Turn ignition switch “OFF”, wait at least 5 seconds and then turn
“ON”.
4) Perform “Diagnostic Test Mode II (Self-diagnostic results)” with
ECM.
5) If DTC is detected, go to “Diagnostic Procedure”, EC-185.
SEF817Y
DTC 0703 P3
⋅
PUMP COMM LINE
ZD30DDTi
EC-182
Wiring Diagram
LHD MODELS
YEC181A
DTC 0703 P3
⋅
PUMP COMM LINE
ZD30DDTi
EC-183
RHD MODELS
YEC182A
DTC 0703 P3
⋅
PUMP COMM LINE
ZD30DDTi
Wiring Diagram (Cont’d)
EC-184
Diagnostic Procedure
1
CHECK ELECTRONIC CONTROL FUEL INJECTION PUMP POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect electronic control fuel injection pump harness connector.
MEC025E
3. Turn ignition switch “ON”.
4. Check voltage between electronic control fuel injection pump terminal 7 and ground.
MEC977D
Voltage: Battery voltage
OK or NG
OK
E
GO TO 3.
NG
E
GO TO 2.
2
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors M787, F66 (LHD models)
I
Harness connectors F108, E225
I
Harness connectors E220, E231
I
Harness connectors M842, F135 (RHD models)
I
Harness for open or short between electronic control fuel injection pump and ECM
I
Harness for open or short between electronic control fuel injection pump and ECM relay
E
Repair open circuit or short to ground or short to power in harness or connectors.
3
CHECK ELECTRONIC CONTROL FUEL INJECTION PUMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Check harness continuity between electronic control fuel injection pump terminal 6 and ground. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK
E
GO TO 5.
NG
E
GO TO 4.
DTC 0703 P3
⋅
PUMP COMM LINE
ZD30DDTi
EC-185
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