Nissan Terrano model r20 series 2004. Instruction — part 185
Component Inspection
EGR VALVE
Apply vacuum to EGR vacuum port with a hand vacuum pump.
EGR valve diaphragm should lift.
If NG, replace EGR valve.
THROTTLE CONTROL VALVE
Apply vacuum to throttle control valve vacuum port with a hand
vacuum pump.
Throttle control valve should close.
If NG, replace throttle control valve.
EGRC-SOLENOID VALVE A, B AND THROTTLE
CONTROL SOLENOID VALVE
Check air passage continuity.
Component
Applied voltage
Air passage continuity
between ports
q
A
and
q
B
EGRC-
solenoid
valve A
12V dc between terminals
q
1
&
q
4
. . . . . . . . . . . . . . . . . . . . . . . . . . .
No supply
YES
. . . . . . . . . . . . . . . . . . . . . . . . . . .
NO
EGRC-
solenoid
valve B
12V dc between terminals
q
2
&
q
5
. . . . . . . . . . . . . . . . . . . . . . . . . . .
No supply
YES
. . . . . . . . . . . . . . . . . . . . . . . . . . .
NO
Throttle control
solenoid
valve A
12V dc between terminals
q
3
&
q
6
. . . . . . . . . . . . . . . . . . . . . . . . . . .
No supply
YES
. . . . . . . . . . . . . . . . . . . . . . . . . . .
NO
If NG, replace EGRC-solenoid valve A, B and throttle control sole-
noid valve.
MEF137D
NEF514
NEF515
NEF517
NEF518
DTC P1404 EGR SOL/V A, DTC P1405 EGR SOL/V B/P1407
THROTTLE SOLENOID VALVE
TD27Ti
EC-462
Component Description
AIR CONDITIONER CUT CONTROL
Air conditioner is cut under the following conditions:
I
Starting engine
I
Quick acceleration from low speed
I
Undershooting of idle speed
I
High engine coolant temperature [above 107°C (225°F)]
I
Malfunctioning of engine speed sensor, accelerator position sen-
sor or vehicle speed sensor when engine speed is below 2,100
rpm.
On Board Diagnosis Logic
DTC
Malfunction is detected when .
Check Items
(Possible cause)
P1530
0805
I
Air conditioner relay signal circuit is shorted.
I
Harness or connectors
(The air conditioner relay signal circuit is shorted.)
I
Air conditioner relay
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch and air conditioner switch to “ON” position.
2) Select “DATA MONITOR” mode with CONSULT-II.
3) Wait at least 2 seconds.
WITHOUT CONSULT-II
1) Turn ignition switch and air conditioner switch to “ON” position.
Wait at least 2 seconds.
2) Turn ignition switch to “LOCK” position, wait at least 5 seconds
and then turn to “ON” position.
3) Perform “Diagnostic Test Mode II” (Self-diagnostic results).
DTC P1530 AIR CONDITIONER RLY
TD27Ti
EC-463
Wiring Diagram
LHD MODELS
YEC154A
DTC P1530 AIR CONDITIONER RLY
TD27Ti
EC-464
RHD MODELS
YEC686A
DTC P1530 AIR CONDITIONER RLY
TD27Ti
Wiring Diagram (Cont’d)
EC-465
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