Nissan Terrano model r20 series 2004. Instruction — part 132
10
CHECK GLOW RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect glow relay.
MEC004E
3. Check voltage between glow relay terminals 2, 5 and ground with CONSULT-II or tester.
YEC709A
Voltage: Battery voltage
OK or NG
OK
E
GO TO 12.
NG
E
GO TO 11.
11
DETECT MALFUNCTIONING PART
Check the following.
I
80A fusible link
I
10A fuse
I
Harness for open or short between glow relay and battery
E
Repair harness or connectors.
12
CHECK GLOW RELAY OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 111 and glow relay terminal 1. 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 14.
NG
E
GO TO 13.
GLOW CONTROL SYSTEM
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-250
13
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors M787, F66 (LHD models)
I
Harness for open or short between glow relay and ECM
E
Repair open circuit or short to ground or short to power in harness or connectors.
14
CHECK HARNESS CONTINUITY BETWEEN GLOW RELAY AND GLOW PLUG FOR OPEN AND SHORT
1. Disconnect glow plug harness connector.
2. Check harness continuity between glow relay terminal 3 and glow plug harness connector. 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 16.
NG
E
GO TO 15.
15
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors M45, E202
I
Harness connectors E230, E241
I
Harness for open or short between glow relay and glow plug
E
Repair open circuit or short to ground or short to power in harness or connectors.
16
CHECK GLOW RELAY
Check continuity between glow relay terminals 3 and 5 under the following conditions.
SEF433Y
OK or NG
OK
E
GO TO 17.
NG
E
Replace glow relay.
GLOW CONTROL SYSTEM
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-251
17
CHECK GLOW PLUG
1. Remove glow plug connecting plate.
2. Check glow plug resistance.
MEC005E
Resistance: Approx. 0.5
Ω
[at 20°C (68°F)]
NOTE:
I
Do not bump glow plug heating element. If it is bumped, replace glow plug with a new one.
I
If glow plug is dropped from a height of 10 cm (3.94 in) or higher, replace with a new one.
I
If glow plug installation hole is contaminated with carbon, remove it with a reamer or suitable tool.
I
Hand-tighten glow plug by turning it two or three times, then tighten using a tool to specified torque.
: 15 - 20 N
⋅
m (1.5 - 2.1 kg-m, 11 - 15 ft-lb)
OK or NG
OK
E
GO TO 18.
NG
E
Replace glow plug.
18
CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-78.
E
INSPECTION END
GLOW CONTROL SYSTEM
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-252
Wiring Diagram
YEC196A
START SIGNAL
ZD30DDTi
EC-253
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