2008 INFINITI FX35 Service Manual

Page 1401 of 3924

INFINITI FX35 2008  Service Manual 
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER
EC-161
< SERVICE INFORMATION > [VQ35DE]
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Before performing the following procedure, confi
rm that battery voltage is between

Page 1402 of 3924

INFINITI FX35 2008  Service Manual 
EC-162
< SERVICE INFORMATION >[VQ35DE]
DTC P0037, P
0038, P0057, P0058 HO2S2 HEATER
Wiring Diagram
INFOID:0000000001325977
BANK 1
Specification data are reference values and are measured between each

Page 1403 of 3924

INFINITI FX35 2008  Service Manual 
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER
EC-163
< SERVICE INFORMATION > [VQ35DE]
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TER-
MI-
NAL 
NO. WIRE 
COLOR ITEM CONDITION DATA (DC Voltage)
25 P Heated oxygen s

Page 1404 of 3924

INFINITI FX35 2008  Service Manual 
EC-164
< SERVICE INFORMATION >[VQ35DE]
DTC P0037, P
0038, P0057, P0058 HO2S2 HEATER
BANK 2
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not u

Page 1405 of 3924

INFINITI FX35 2008  Service Manual 
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER
EC-165
< SERVICE INFORMATION > [VQ35DE]
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Diagnosis ProcedureINFOID:0000000001325978
1.CHECK GROUND CONNECTIONS
1. Turn ignit

Page 1406 of 3924

INFINITI FX35 2008  Service Manual 
EC-166
< SERVICE INFORMATION >[VQ35DE]
DTC P0037, P
0038, P0057, P0058 HO2S2 HEATER
3. Check voltage between HO2S2 terminal 2 and ground with
CONSULT-III or tester.
OK or NG
OK >> GO TO 4.
NG >> GO T

Page 1407 of 3924

INFINITI FX35 2008  Service Manual 
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER
EC-167
< SERVICE INFORMATION > [VQ35DE]
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1. Check resistance between HO2S2 terminals as follows.
2. If NG, replace heated ox

Page 1408 of 3924

INFINITI FX35 2008  Service Manual 
EC-168
< SERVICE INFORMATION >[VQ35DE]
DTC P0075, P0081 IVT CO
NTROL SOLENOID VALVE
DTC P0075, P0081 IVT CONT ROL SOLENOID VALVE
Component DescriptionINFOID:0000000001325981
Intake valve timing contr