Infiniti Q45. Manual - part 373
TROUBLE DIAGNOSIS
EC-131
C
D
E
F
G
H
I
J
K
L
M
A
EC
VIAS S/V
●
Selector lever: P or N
ON
●
Engine speed: More than 5,000 rpm
●
Selector lever: Except P or N
●
Engine speed: Less than 5,000 rpm
OFF
AIR COND RLY
●
Engine: After warming up, idle the
engine
Air conditioner switch: OFF
OFF
Air conditioner switch: ON
(Compressor operates)
ON
FUEL PUMP RLY
●
For 5 seconds after turning ignition switch: ON
●
Engine running or cranking
ON
●
Except above
OFF
FPCM
●
Engine: Cranking
HI
●
Engine: Idle
●
Engine coolant temperature: More than 10
°
C (50
°
F)
LOW
VC/V BYPASS/V
●
Ignition switch: ON
OFF
VENT CONT/V
●
Ignition switch: ON
OFF
THRTL RELAY
●
Ignition switch: ON
ON
COOLING FAN
●
Engine: After warming up, idle the
engine
●
Air conditioner switch: OFF
Engine coolant temperature is 94
°
C
(201
°
F) or less
OFF
Engine coolant temperature is between
95
°
C (203
°
F) and 99
°
C (210
°
F)
LOW
Engine coolant temperature is between
100
°
C (212
°
F) and 104
°
C (219
°
F)
MID
Engine coolant temperature is 105
°
C
(221
°
F) or more
HI
HO2S2 HTR (B1)
HO2S2 HTR (B2)
●
Engine speed: Below 3,600 rpm after the following conditions are met.
–
Engine: After warming up
–
Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and at
idle for 1 minute under no load
ON
●
Engine speed: Above 3,600 rpm
OFF
I/P PULLY SPD
●
Vehicle speed: More than 20 km/h (12 MPH)
Almost the same speed as
the tachometer indication
VEHICLE SPEED
●
Turn drive wheels and compare CONSULT-II value with the speedometer indi-
cation.
Almost the same speed as
the speedometer indication
TRVL AFTER MIL
●
Ignition switch: ON
Vehicle has traveled after MIL has turned
ON.
0 - 65,535 km
(0 - 40,723 miles)
A/F S1 HTR (B1)
A/F S1 HTR (B2)
●
Engine: After warming up, idle the engine
0 - 100%
AC PRESS SEN
●
Engine: Idle
●
Both air conditioner switch and blower fan switch: ON (Compressor operates)
1.0 - 4.0V
VHCL SPEED SE
●
Turn drive wheels and compare CONSULT-II value with the speedometer indi-
cation.
Almost the same speed as
the speedometer indication
SET VHCL SPD
●
Engine: Running
ASCD: Operating
The preset vehicle speed is
displayed
MAIN SW
●
Ignition switch: ON
MAIN switch: Pressed
ON
MAIN switch: Released
OFF
CANCEL SW
●
Ignition switch: ON
CANCEL switch: Pressed
ON
CANCEL switch: Released
OFF
MONITOR ITEM
CONDITION
SPECIFICATION