2009 NISSAN LATIO Service Repair Manual

Page 2513 of 4331

NISSAN LATIO 2009  Service Repair Manual DTC P0031, P0032 A/F SENSOR 1 HEATER
EC-1157
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
Do not use ECM ground terminals wh
en measuring input/output voltage. Doing so may resul

Page 2514 of 4331

NISSAN LATIO 2009  Service Repair Manual EC-1158< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0031, P0032 
A/F SENSOR 1 HEATER
3. Check voltage between A/F sensor 1 terminal 4 and ground with CONSULT-III or tester.
OK or NG OK >> GO TO 4.
NG >> GO

Page 2515 of 4331

NISSAN LATIO 2009  Service Repair Manual DTC P0031, P0032 A/F SENSOR 1 HEATER
EC-1159
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
1. Check resistance between A/F sensor 1 terminals as follows.
2. If NG, replace air fue

Page 2516 of 4331

NISSAN LATIO 2009  Service Repair Manual Engine speed rpm Heated oxygen sensor 2 heater
Above 3,600 OFF
• Below 3,600 rpm after the following conditions are met.
- Engine: After warming up
- Keeping the engine speed between 3,500 and 4,000

Page 2517 of 4331

NISSAN LATIO 2009  Service Repair Manual DTC P0037, P0038
 HO2S2 HEATER
EC-1161
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and keep the engine

Page 2518 of 4331

NISSAN LATIO 2009  Service Repair Manual EC-1162< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0037, P0038 HO2S2 HEATER
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-I

Page 2519 of 4331

NISSAN LATIO 2009  Service Repair Manual DTC P0037, P0038
 HO2S2 HEATER
EC-1163
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
NG >> Repair or replace ground connections. 2.
CHECK HO2S2 POWER SUPPLY CIRCUIT
1. Disconnect

Page 2520 of 4331

NISSAN LATIO 2009  Service Repair Manual EC-1164< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0037, P0038 HO2S2 HEATER
Component Inspection INFOID:0000000004499988
HEATED OXYGEN SENSOR 2 HEATER
1. Check resistance between HO2S2 terminals as follow