Infiniti Q45. Manual - part 529
VARIABLE INDUCTION AIR CONTROL SYSTEM (VIAS)
EC-755
C
D
E
F
G
H
I
J
K
L
M
A
EC
6.
CHECK VIAS CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect VIAS control solenoid valve harness connector.
3.
Turn ignition switch ON.
4.
Check voltage between VIAS control solenoid valveterminal 1
and ground with CONSULT-II or tester.
OK or NG
OK
>> GO TO 8.
NG
>> GO TO 7.
7.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors M135, F105
●
Harness continuity between VIAS control solenoid valve and ECM relay
>> Repair open circuit or short to ground or short to power in harness or connectors.
8.
CHECK VIAS CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check harness continuity between ECM terminal 29 and terminal 2.
Refer to Wiring Diagram.
4.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 9.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
9.
CHECK VIAS CONTROL SOLENOID VALVE
Refer to
EC-756, "Component Inspection"
OK or NG
OK
>> GO TO 10.
NG
>> Replace VIAS control solenoid valve.
PBIB2421E
Voltage: Battery voltage
PBIB0173E
Continuity should exist.