2007 INFINITI QX56 Factory Service Manual

Page 1545 of 3061

INFINITI QX56 2007  Factory Service Manual EC-462
< SERVICE INFORMATION >
DTC P1140, P1145 IVT CONTROL POSITION SENSOR
2. Turn ignition switch ON.
3. Check voltage between intake valve timing control position sen-
sor terminal 3 and ground wit

Page 1546 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P1140, P1145 IVT CONTROL POSITION SENSOR
EC-463
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
• Harness for open or short between intake valve timing control position sensor and ground

Page 1547 of 3061

INFINITI QX56 2007  Factory Service Manual EC-464
< SERVICE INFORMATION >
DTC P1140, P1145 IVT CONTROL POSITION SENSOR
4. Visually check the sensor for chipping.
5. Check resistance as shown below.
6. If NG, replace intake valve timing control

Page 1548 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P1140, P1145 IVT CONTROL POSITION SENSOR
EC-465
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
3. Remove intake valve timing control position sensor (bank 1) (1)
from intake valve control

Page 1549 of 3061

INFINITI QX56 2007  Factory Service Manual EC-466
< SERVICE INFORMATION >
DTC P1148, P1168 CLOSED LOOP CONTROL
DTC P1148, P1168 CLOSED LOOP CONTROL
On Board Diagnosis LogicINFOID:0000000003531980
These self-diagnoses have the one trip detectio

Page 1550 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P1211 TCS CONTROL UNIT
EC-467
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
DTC P1211 TCS CONTROL UNIT
DescriptionINFOID:0000000003531981
The malfunction information related to TCS is tr

Page 1551 of 3061

INFINITI QX56 2007  Factory Service Manual EC-468
< SERVICE INFORMATION >
DTC P1212 TCS COMMUNICATION LINE
DTC P1212 TCS COMMUNICATION LINE
DescriptionINFOID:0000000003531985
NOTE:
•If DTC P1212 is displayed with DTC U1000 or U1001, first pe

Page 1552 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P1217 ENGINE OVER TEMPERATURE
EC-469
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
DTC P1217 ENGINE OVER TEMPERATURE
DescriptionINFOID:0000000003531989
SYSTEM DESCRIPTION
NOTE:
•If DTC