2008 NISSAN TEANA Service Manual

Page 1513 of 5121

NISSAN TEANA 2008  Service Manual EC-52
< FUNCTION DIAGNOSIS >[VQ25DE, VQ35DE]
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
 Brake pedal is depressed
 Selector lever position is N, P or R
 Vehicle speed decreased to 13 km/h (8 MPH) lower

Page 1514 of 5121

NISSAN TEANA 2008  Service Manual AUTOMATIC SPEED CONTROL DEVICE (ASCD)
EC-53
< FUNCTION DIAGNOSIS >[VQ25DE, VQ35DE]
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N
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Component Parts LocationINFOID:0000000003857774
1. Intake valve timing control soleno

Page 1515 of 5121

NISSAN TEANA 2008  Service Manual EC-54
< FUNCTION DIAGNOSIS >[VQ25DE, VQ35DE]
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
1. Mass air flow sensor (with intake air 
temperature sensor)2. Electric throttle control actuator
: Vehicle front
1.

Page 1516 of 5121

NISSAN TEANA 2008  Service Manual AUTOMATIC SPEED CONTROL DEVICE (ASCD)
EC-55
< FUNCTION DIAGNOSIS >[VQ25DE, VQ35DE]
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1. Crankshaft position sensor (POS) 2. Camshaft position sensor (PHASE) 
(bank 2)3. C

Page 1517 of 5121

NISSAN TEANA 2008  Service Manual EC-56
< FUNCTION DIAGNOSIS >[VQ25DE, VQ35DE]
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
1. A/F sensor 1 (bank 1) harness con-
nector2. A/F sensor 1 (bank 1) 3. A/F sensor 1 (bank 2) harness con-
nector
4.

Page 1518 of 5121

NISSAN TEANA 2008  Service Manual AUTOMATIC SPEED CONTROL DEVICE (ASCD)
EC-57
< FUNCTION DIAGNOSIS >[VQ25DE, VQ35DE]
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1. Electronic controlled engine mount 
control solenoid valve2. VIAS control solenoid

Page 1519 of 5121

NISSAN TEANA 2008  Service Manual EC-58
< FUNCTION DIAGNOSIS >[VQ25DE, VQ35DE]
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
Component Description
INFOID:0000000003856480
1. Fuel level sensor unit and fuel pump 
harness connector2. Fuel press

Page 1520 of 5121

NISSAN TEANA 2008  Service Manual CAN COMMUNICATION
EC-59
< FUNCTION DIAGNOSIS >[VQ25DE, VQ35DE]
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CAN COMMUNICATION
System DescriptionINFOID:0000000003856481
CAN (Controller Area Network) is a serial com