Nissan Terrano model r20 series 2004. Instruction — part 117

Wiring Diagram

LHD MODELS

YEC181A

DTC 0704 P4

⋅

SPILL/V CIRC, DTC 0706 P6

⋅

SPILL VALVE

ZD30DDTi

EC-190

RHD MODELS

YEC182A

DTC 0704 P4

⋅

SPILL/V CIRC, DTC 0706 P6

⋅

SPILL VALVE

ZD30DDTi

Wiring Diagram (Cont’d)

EC-191

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 0704 P4

⋅

SPILL/V CIRC, DTC 0706 P6

⋅

SPILL VALVE

ZD30DDTi

EC-192

4

DETECT MALFUNCTIONING PART

Check the following.

I

Harness connectors E231, E220

I

Harness for open or short between electronic control fuel injection pump and engine ground

E

Repair open circuit or short to ground or short to power in harness or connectors.

5

CHECK COMMUNICATION LINE FOR OPEN AND SHORT

1. Check continuity between the following terminals. Refer to Wiring Diagram.

MTBL0444

Continuity should exist.

2. Also check harness for short to ground and short to power.

OK or NG

OK

E

GO TO 7.

NG

E

GO TO 6.

6

DETECT MALFUNCTIONING PART

Check the following.

I

Harness connectors E231, E220

I

Harness connectors E227, F106

I

Harness connectors F135, M842 (RHD models)

I

Harness for open or short between electronic control fuel injection pump and ECM

E

Repair open circuit or short to ground or short to power in harness or connectors.

7

CHECK INTERMITTENT INCIDENT

Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-78.

OK or NG

OK

E

Replace electronic control fuel injection pump.

NG

E

Repair open circuit or short to ground or short to power in harness or connectors.

DTC 0704 P4

⋅

SPILL/V CIRC, DTC 0706 P6

⋅

SPILL VALVE

ZD30DDTi

Diagnostic Procedure (Cont’d)

EC-193