Nissan Titan. Manual — part 195
ECM
EC-81
< ECU DIAGNOSIS INFORMATION >
[VK56DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Item
OBD-
MID
Self-diagnostic test item
DTC
Test value and Test
limit
(GST display)
Description
TID
Unit and
Scaling
ID
HO2S
01H
Air fuel ratio (A/F) sensor 1
(Bank 1)
P0131
83H
0BH
Minimum sensor output voltage for test
cycle
P0131
84H
0BH
Maximum sensor output voltage for
test cycle
P0130
85H
0BH
Minimum sensor output voltage for test
cycle
P0130
86H
0BH
Maximum sensor output voltage for
test cycle
P0133
87H
04H
Response rate: Response ratio (lean
to rich)
P0133
88H
04H
Response rate: Response ratio (rich to
lean)
P2A00 or P2096
89H
84H
The amount of shift in air fuel ratio (too
lean)
P2A00 or P2097
8AH
84H
The amount of shift in air fuel ratio (too
rich)
P0130
8BH
0BH
Difference in sensor output voltage
P0133
8CH
83H
Response gain at the limited frequency
P014C
8DH
04H
O2 sensor slow response - Rich to
lean bank 1 sensor 1
P014C
8EH
04H
O2 sensor slow response - Rich to
lean bank 1 sensor 1
P014D
8FH
84H
O2 sensor slow response - Lean to rich
bank 1 sensor 1
P014D
90H
84H
O2 sensor slow response - Lean to rich
bank 1 sensor 1
P015A
91H
01H
O2 sensor delayed response - Rich to
lean bank 1 sensor 1
P015A
92H
01H
O2 sensor delayed response - Rich to
lean bank 1 sensor 1
P015B
93H
01H
O2 sensor delayed response - Lean to
rich bank 1 sensor 1
P015B
94H
01H
O2 sensor delayed response - Lean to
rich bank 1 sensor 1
P0133
95H
04H
Response rate: Response ratio (lean
to rich)
P0133
96H
84H
Response rate: Response ratio (rich to
lean)
EC-82
< ECU DIAGNOSIS INFORMATION >
[VK56DE]
ECM
HO2S
02H
Heated oxygen sensor 2
(Bank 1)
P0138
07H
0CH
Minimum sensor output voltage for test
cycle
P0137
08H
0CH
Maximum sensor output voltage for
test cycle
P0138
80H
0CH
Sensor output voltage
P0139
81H
0CH
Difference in sensor output voltage
P0139
82H
11H
Rear O2 sensor delay response diag-
nosis
03H
Heated oxygen sensor 3
(Bank 1)
P0143
07H
0CH
Minimum sensor output voltage for test
cycle
P0144
08H
0CH
Maximum sensor output voltage for
test cycle
P0146
80H
0CH
Sensor output voltage
P0145
81H
0CH
Difference in sensor output voltage
05H
Air fuel ratio (A/F) sensor 1
(Bank 2)
P0151
83H
0BH
Minimum sensor output voltage for test
cycle
P0151
84H
0BH
Maximum sensor output voltage for
test cycle
P0150
85H
0BH
Minimum sensor output voltage for test
cycle
P0150
86H
0BH
Maximum sensor output voltage for
test cycle
P0153
87H
04H
Response rate: Response ratio (lean
to rich)
P0153
88H
04H
Response rate: Response ratio (rich to
lean)
P2A03 or P2098
89H
84H
The amount of shift in air fuel ratio (too
lean)
P2A03 or P2099
8AH
84H
The amount of shift in air fuel ratio (too
rich)
P0150
8BH
0BH
Difference in sensor output voltage
P0153
8CH
83H
Response gain at the limited frequency
P014E
8DH
04H
O2 sensor slow response - Rich to
lean bank 2 sensor 1
P014E
8EH
04H
O2 sensor slow response - Rich to
lean bank 2 sensor 1
P014F
8FH
84H
O2 sensor slow response - Lean to rich
bank 2 sensor 1
P014F
90H
84H
O2 sensor slow response - Lean to rich
bank 2 sensor 1
P015C
91H
01H
O2 sensor delayed response - Rich to
lean bank 2 sensor 1
P015C
92H
01H
O2 sensor delayed response - Rich to
lean bank 2 sensor 1
P015D
93H
01H
O2 sensor delayed response - Lean to
rich bank 2 sensor 1
Item
OBD-
MID
Self-diagnostic test item
DTC
Test value and Test
limit
(GST display)
Description
TID
Unit and
Scaling
ID
ECM
EC-83
< ECU DIAGNOSIS INFORMATION >
[VK56DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
HO2S
05H
Air fuel ratio (A/F) sensor 1
(Bank 2)
P015D
94H
01H
O2 sensor delayed response - Lean to
rich bank 2 sensor 1
P0153
95H
04H
Response rate: Response ratio (lean
to rich)
P0153
96H
84H
Response rate: Response ratio (rich to
lean)
06H
Heated oxygen sensor 2
(Bank 2)
P0158
07H
0CH
Minimum sensor output voltage for test
cycle
P0157
08H
0CH
Maximum sensor output voltage for
test cycle
P0158
80H
0CH
Sensor output voltage
P0159
81H
0CH
Difference in sensor output voltage
P0159
82H
11H
Rear O2 sensor delay response diag-
nosis
07H
Heated oxygen sensor 3
(Bank2)
P0163
07H
0CH
Minimum sensor output voltage for test
cycle
P0164
08H
0CH
Maximum sensor output voltage for
test cycle
P0166
80H
0CH
Sensor output voltage
P0165
81H
0CH
Difference in sensor output voltage
CATA-
LYST
21H
Three way catalyst function
(Bank1)
P0420
80H
01H
O2 storage index
P0420
82H
01H
Switching time lag engine exhaust in-
dex value
P2423
83H
0CH
Difference in 3rd O2 sensor output
voltage
P2423
84H
84H
O2 storage index in HC trap catalyst
22H
Three way catalyst function
(Bank2)
P0430
80H
01H
O2 storage index
P0430
82H
01H
Switching time lag engine exhaust in-
dex value
P2424
83H
0CH
Difference in 3rd O2 sensor output
voltage
P2424
84H
84H
O2 storage index in HC trap catalyst
EGR
SYSTEM
31H
EGR function
P0400
80H
96H
Low flow faults: EGR temp change rate
(short term)
P0400
81H
96H
Low flow faults: EGR temp change rate
(long term)
P0400
82H
96H
Low flow faults: Difference between
max EGR temp and EGR temp under
idling condition
P0400
83H
96H
Low flow faults: Max EGR temp
P1402
84H
96H
High Flow Faults: EGR temp increase
rate
Item
OBD-
MID
Self-diagnostic test item
DTC
Test value and Test
limit
(GST display)
Description
TID
Unit and
Scaling
ID
EC-84
< ECU DIAGNOSIS INFORMATION >
[VK56DE]
ECM
VVT
SYSTEM
35H
VVT Monitor (Bank1)
P0011
80H
9DH
VTC intake function diagnosis (VTC
alignment check diagnosis)
P0014
81H
9DH
VTC exhaust function diagnosis (VTC
alignment check diagnosis)
P0011
82H
9DH
VTC intake function diagnosis (VTC
drive failure diagnosis)
P0014
83H
9DH
VTC exhaust function diagnosis (VTC
drive failure diagnosis)
P100A
84H
10H
VEL slow response diagnosis
P1090
85H
10H
VEL servo system diagnosis
P0011
86H
9DH
VTC intake intermediate lock function
diagnosis (VTC intermediate position
alignment check diagnosis)
Advanced: P052A
Retarded: P052B
87H
9DH
VTC intake intermediate lock system
diagnosis (VTC intermediate lock posi-
tion check diagnosis)
36H
VVT Monitor (Bank2)
P0021
80H
9DH
VTC intake function diagnosis (VTC
alignment check diagnosis)
P0024
81H
9DH
VTC exhaust function diagnosis (VTC
alignment check diagnosis)
P0021
82H
9DH
VTC intake function diagnosis (VTC
drive failure diagnosis)
P0024
83H
9DH
VTC exhaust function diagnosis (VTC
drive failure diagnosis)
P100B
84H
10H
VEL slow response diagnosis
P1093
85H
10H
VEL servo system diagnosis
P0021
86H
9DH
VTC intake intermediate lock function
diagnosis (VTC intermediate position
alignment check diagnosis)
Advanced: P052C
Retarded: P052D
87H
9DH
VTC intake intermediate lock system
diagnosis (VTC intermediate lock posi-
tion check diagnosis)
EVAP
SYSTEM
39H
EVAP control system leak
(Cap Off)
P0455
80H
0CH
Difference in pressure sensor output
voltage before and after pull down
3BH
EVAP control system leak
(Small leak)
P0442
80H
05H
Leak area index (for more than 0.04
inch)
3CH
EVAP control system leak
(Very small leak)
P0456
80H
05H
Leak area index (for more than 0.02
inch)
P0456
81H
FDH
Maximum internal pressure of EVAP
system during monitoring
P0456
82H
FDH
Internal pressure of EVAP system at
the end of monitoring
3DH
Purge flow system
P0441
83H
0CH
Difference in pressure sensor output
voltage before and after vent control
valve close
Item
OBD-
MID
Self-diagnostic test item
DTC
Test value and Test
limit
(GST display)
Description
TID
Unit and
Scaling
ID
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