2005 INFINITI FX35 sensor

ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-745
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Revision: 2005 July 2005 FX
ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionABS00E47
The ECM has an on board diagnostic system, which detects malfunctions related to engine sensors or actua-
tors. The ECM also records various emission-related diagnostic information including:
The above information can be checked using procedures listed in the table below.
× : Applicable —: Not applicable
*: When DTC and 1st trip DTC simultaneously appear on the display, they cannot be clearly distinguished from each other.
The malfunction indicator lamp (MIL) on the instrument panel lights up when the same malfunction is detected
in two consecutive trips (Two trip detection logic), or when the ECM enters fail-safe mode. (Refer to EC-799
.)
Two Trip Detection LogicABS00E48
When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data are stored in the
ECM memory. The MIL will not light up at this stage. <1st trip>
If the same malfunction is detected again during the next drive, the DTC and Freeze Frame data are stored in
the ECM memory, and the MIL lights up. The MIL lights up at the same time when the DTC is stored. <2nd
trip> The “trip” in the “Two Trip Detection Logic” means a driving mode in which self-diagnosis is performed
during vehicle operation. Specific on board diagnostic items will cause the ECM to light up or blink the MIL,
and store DTC and Freeze Frame data, even in the 1st trip, as shown below.
× : Applicable —: Not applicable
When there is an open circuit on MIL circuit, the ECM cannot warn the driver by lighting up MIL when there is
malfunction on engine control system.
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuously detected as
NG for 5 trips, ECM warns the driver that engine control system malfunctions and MIL circuit is open by means
of operating fail-safe function.
Emission-related diagnostic information Diagnostic service
Diagnostic Trouble Code (DTC) Service $03 of SAE J1979
Freeze Frame data Service $02 of SAE J1979
System Readiness Test (SRT) code Service $01 of SAE J1979
1st Trip Diagnostic Trouble Code (1st Trip DTC) Service $07 of SAE J1979
1st Trip Freeze Frame data
Test values and Test limits Service $06 of SAE J1979
Calibration ID Service $09 of SAE J1979
DTC 1st trip DTC Freeze Frame
data 1st trip Freeze
Frame data SRT code SRT status Test value
CONSULT-II ×× × × ×× —
GST ×× × —×××
ECM ××*— — — ×—
Items MIL DTC 1st trip DTC
1st trip 2nd trip 1st trip
displaying 2nd trip
displaying 1st trip
displaying 2nd trip
display- ing
Blinking Lighting
up Blinking Lighting
up
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0308 is being detected ×
———— — ×—
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0308 is being detected ——
×—— ×——
One trip detection diagnoses
(Refer to EC-746
.) —
×—— ×———
Except above — — — ×— ×× —

EC-746
[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2005 July 2005 FX
The fail-safe function also operates when above diagnoses except MIL circuit are detected and demands the
driver to repair the malfunction.
Emission-Related Diagnostic InformationABS00E49
EMISSION-RELATED DIAGNOSTIC INFORMATION ITEMS
× : Applicable —: Not applicable
Engine operating condition in fail-safe mode Engine speed will not rise more than 2,500 rpm due to the fuel cut
Items
(CONSULT-II screen terms) DTC*
1
SRT code
Test value/
Te s t l i m i t
(GST only) Trip MIL
Reference
page
CONSULT-II
GST*
2ECM*3
CAN COMM CIRCUIT U1000 1000*4—— 1 × or — EC-862
CAN COMM CIRCUIT U1001
1001*4—— 2 — EC-862
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED. P0000 0000
———
Flashing *7 *8—
INT/V TIM CONT-B1 P0011 0011 — — 2 ×EC-865
INT/V TIM CONT-B2 P0021 0021 — — 2 ×EC-865
HO2S1 HTR (B1) P0031 0031 ××2×EC-877
HO2S1 HTR (B1) P0032 0032 ××2×EC-877
HO2S2 HTR (B1) P0037 0037 ××2×EC-885
HO2S2 HTR (B1) P0038 0038 ××2×EC-885
HO2S1 HTR (B2) P0051 0051 ××2×EC-877
HO2S1 HTR (B2) P0052 0052 ××2×EC-877
HO2S2 HTR (B2) P0057 0057 ××2×EC-885
HO2S2 HTR (B2) P0058 0058 ××2×EC-885
MAF SEN/CIRCUIT P0101 0101 — — 2 ×EC-893
MAF SEN/CIRCUIT P0102 0102 — — 1 ×EC-902
MAF SEN/CIRCUIT P0103 0103 — — 1 ×EC-902
IAT SEN/CIRCUIT P0112 0112 — — 2 ×EC-909
IAT SEN/CIRCUIT P0113 0113 — — 2 ×EC-909
ECT SEN/CIRCUIT P0117 0117 — — 1 ×EC-914
ECT SEN/CIRCUIT P0118 0118 — — 1 ×EC-914
TP SEN 2/CIRC P0122 0122 — — 1 ×EC-920
TP SEN 2/CIRC P0123 0123 — — 1 ×EC-920
ECT SENSOR P0125 0125 — — 1 ×EC-927
IAT SENSOR P0127 0127 — — 2 ×EC-930
THERMSTAT FNCTN P0128 0128 — — 2 ×EC-933
HO2S1 (B1) P0132 0132 — ×2 ×EC-935
HO2S1 (B1) P0133 0133 ××2×EC-944
HO2S1 (B1) P0134 0134 — ×2 ×EC-956
HO2S2 (B1) P0138 0138 — ×2 ×EC-966
HO2S2 (B1) P0139 0139 ××2×EC-975
HO2S1 (B2) P0152 0152 — ×2 ×EC-935
HO2S1 (B2) P0153 0153 ××2×EC-944
HO2S1 (B2) P0154 0154 — ×2 ×EC-956
HO2S2 (B2) P0158 0158 — ×2 ×EC-966
HO2S2 (B2) P0159 0159 ××2×EC-975

ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-747
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Revision: 2005 July 2005 FXFUEL SYS-LEAN-B1 P0171 0171 — — 2 ×EC-986
FUEL SYS-RICH-B1 P0172 0172 — — 2 ×EC-995
FUEL SYS-LEAN-B2 P0174 0174 — — 2 ×EC-986
FUEL SYS-RICH-B2 P0175 0175 — — 2 ×EC-995
FTT SENSOR P0181 0181 — — 2 ×EC-1004
FTT SEN/CIRCUIT P0182 0182 — — 2 ×EC-1010
FTT SEN/CIRCUIT P0183 0183 — — 2 ×EC-1010
TP SEN 1/CIRC P0222 0222 — — 1 ×EC-1015
TP SEN 1/CIRC P0223 0223 — — 1 ×EC-1015
MULTI CYL MISFIRE P0300 0300 — — 2 ×EC-1022
CYL 1 MISFIRE P0301 0301 — — 2 ×EC-1022
CYL 2 MISFIRE P0302 0302 — — 2 ×EC-1022
CYL 3 MISFIRE P0303 0303 — — 2 ×EC-1022
CYL 4 MISFIRE P0304 0304 — — 2 ×EC-1022
CYL 5 MISFIRE P0305 0305 — — 2 ×EC-1022
CYL 6 MISFIRE P0306 0306 — — 2 ×EC-1022
CYL 7 MISFIRE P0307 0307 — — 2 ×EC-1022
CYL 8 MISFIRE P0308 0308 — — 2 ×EC-1022
KNOCK SEN/CIRC-B1 P0327 0327 — — 2 — EC-1031
KNOCK SEN/CIRC-B1 P0328 0328 — — 2 —EC-1031
KNOCK SEN/CIRC-B2 P0332 0332 — — 2 —EC-1031
KNOCK SEN/CIRC-B2 P0333 0333 — — 2 —EC-1031
CKP SEN/CIRCUIT P0335 0335 — — 2×EC-1036
CMP SEN/CIRC-B1 P0340 0340 — — 2 ×EC-1043
TW CATALYST SYS-B1 P0420 0420 ××2×EC-1050
TW CATALYST SYS-B2 P0430 0430 ××2×EC-1050
EVAP PURG FLOW/MON P0441 0441 ××2×EC-1056
EVAP SMALL LEAK P0442 0442 ××2×EC-1061
PURG VOLUME CONT/V P0444 0444 — — 2 ×EC-1069
PURG VOLUME CONT/V P0445 0445 — — 2 ×EC-1069
VENT CONTROL VALVE P0447 0447 — — 2 ×EC-1076
EVAP SYS PRES SEN P0451 0451 — — 2 ×EC-1083
EVAP SYS PRES SEN P0452 0452 — — 2 ×EC-1086
EVAP SYS PRES SEN P0453 0453 — — 2 ×EC-1092
EVAP GROSS LEAK P0455 0455 — — 2 ×EC-1100
EVAP VERY SML LEAK P0456 0456
× *5× 2 ×EC-1108
FUEL LEV SEN SLOSH P0460 0460 — — 2 ×E C - 111 7
FUEL LEVEL SENSOR P0461 0461 — — 2 ×E C - 111 9
FUEL LEVL SEN/CIRC P0462 0462 — — 2 ×EC-1121
FUEL LEVL SEN/CIRC P0463 0463 — — 2 ×EC-1121
VEH SPEED SEN/CIRC*6P0500 0500 — — 2 ×EC-1123
ISC SYSTEM P0506 0506 — — 2 ×EC-1125
Items
(CONSULT-II screen terms) DTC*
1
SRT code
Test value/
Te s t l i m i t
(GST only) Trip MIL
Reference
page
CONSULT-II
GST*
2ECM*3

EC-748
[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2005 July 2005 FX
ISC SYSTEM P0507 0507 — — 2 ×EC-1127
PW ST P SEN/CIRC P0550 0550 — — 2 — EC-1129
ECM P0605 0605 — — 1 or 2× or — EC-1134
TCM P0700 0700 — — 1 ×AT- 11 3
PNP SW/CIRC P0705 0705 — — 2 ×AT- 11 4
ATF TEMP SEN/CIRC P0710 0710 — — 2 ×AT- 1 3 6
VEH SPD SEN/CIR AT*7P0720 0720 — — 2 ×AT- 11 8
TCC SOLENOID/CIRC P0740 0740 — — 2 ×AT- 1 2 5
A/T TCC S/V FNCTN P0744 0744 — — 2 ×AT- 1 2 7
L/PRESS SOL/CIRC P0745 0745 — — 2 ×AT- 1 2 9
ECM BACK UP/CIRC P1065 1065 — — 2 ×EC-1137
I N T / V T I M V / C I R - B 1 P 1111 1111 — — 2 ×EC-1141
ETC ACTR P1121 1121 — — 1 ×EC-1148
ETC FUNCTION/CIRC P1122 1122 — — 1 ×EC-1150
ETC MOT PWR P1124 1124 — — 1 ×EC-1156
ETC MOT PWR P1126 1126 — — 1 ×EC-1156
ETC MOT P1128 1128 — — 1 ×EC-1161
INT/V TIM V/CIR-B2 P1136 1136 — — 2 ×EC-1141
INTK TIM S/CIRC-B1 P1140 1140 — — 2 ×EC-1166
HO2S1 (B1) P1143 1143 ××2×EC-1174
HO2S1 (B1) P1144 1144 ××2×EC-1180
INTK TIM S/CIRC-B2 P1145 1145 — — 2 ×EC-1166
HO2S2 (B1) P1146 1146 ××2×EC-1187
HO2S2 (B1) P1147 1147 ××2×EC-1198
CLOSED LOOP-B1 P1148 1148 — — 1 ×EC-1209
HO2S1 (B2) P1163 1163 ××2×EC-1174
HO2S1 (B2) P1164 1164 ××2×EC-1180
HO2S2 (B2) P1166 1166 ××2×EC-1187
HO2S2 (B2) P1167 1167 ××2×EC-1198
CLOSED LOOP-B2 P1168 1168 — — 1 ×EC-1209
TCS C/U FUNCTN P1211 1211 — — 2 — EC-1211
TCS/CIRC P1212 1212 — — 2 —EC-1212
ENG OVER TEMP P1217 1217 — — 1×EC-1213
CTP LEARNING P1225 1225 — — 2 — EC-1225
CTP LEARNING P1226 1226 — — 2 —EC-1227
SENSOR POWER/CIRC P1229 1229 — — 1×EC-1229
PURG VOLUME CONT/V P1444 1444 — — 2 ×EC-1233
VENT CONTROL VALVE P1446 1446 — — 2 ×EC-1241
ASCD SW P1564 1564 — — 1 — EC-1247

(Models
with ICC) EC-1254

(Models
with ASCD)
Items
(CONSULT-II screen terms) DTC*
1
SRT code
Test value/
Te s t l i m i t
(GST only) Trip MIL
Reference
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CONSULT-II
GST*
2ECM*3

ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-749
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Revision: 2005 July 2005 FX
*1: 1st trip DTC No. is the same as DTC No.
*2: This number is prescribed by SAE J2012.
*3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN.
*4: The trouble shooting for this DTC needs CONSULT-II.
*5: SRT code will not be set it the self-diagnostic result is NG.
*6: When the fail-safe operations for both self-diagnoses occur at the same time, the MIL illuminates.
*7: When engine is running, MIL may flash. For the details, refer to EC-761, "
MIL Flashing Without DTC" .
*8: When the ECM is in the mode of displaying SRT status, MIL may flash. For the details, refer to EC-754, "
How to Display SRT Status"
.
*9: Models with ICC. ACC COMMAND VALUE*
9P1568 1568 — — 1 —
EC-1261
ASCD BRAKE SW P1572 1572 — — 1 — EC-1262

(Models
with ICC) EC-1271

(Models
with ASCD)
ASCD VHL SPD SEN P1574 1574 — — 1 — EC-1279

(Models
with ICC) EC-1281

(Models
with ASCD)
NATS MALFUNCTION P1610 -
P1615 1610 - 1615 — — 2 —
EC-744
P-N POS SW/CIRCUIT P1706 1706 — — 2 ×EC-1283
TURBINE REV S/CIRC P1716 1716 — — 2 ×AT- 1 4 1
V/SP SEN(A/T OUT) P1720 1720 — — 2 — EC-1288
A/T INTERLOCK P1730 1730 — — 1×AT- 1 4 5
I/C SOLENOID/CIRC P1752 1752 — — 1 ×AT- 1 5 0
I/C SOLENOID FNCTN P1754 1754 — — 1 ×AT- 1 5 2
FR/B SOLENOID/CIRC P1757 1757 — — 1 ×AT- 1 5 4
FR/B SOLENOID FNCT P1759 1759 — — 1 ×AT- 1 5 6
D/C SOLENOID/CIRC P1762 1762 — — 1 ×AT- 1 5 8
D/C SOLENOID FNCTN P1764 1764 — — 1 ×AT- 1 6 0
HLR/C SOL/CIRC P1767 1767 — — 1 ×AT- 1 6 2
HLR/C SOL FNCTN P1769 1769 — — 1 ×AT- 1 6 4
LC/B SOLENOID/CIRC P1772 1772 — — 1 ×AT- 1 6 6
LC/B SOLENOID FNCT P1774 1774 — — 1 ×AT- 1 6 8
SHIFT SIG FNCTN P1780 1780 — — 2 — EC-1290
VIAS S/V CIRC P1800 1800 — — 2 —EC-1292
BRAKE SW/CIRCUIT P1805 1805 — — 2 —EC-1297
APP SEN 1/CIRC P2122 2122 — — 1×EC-1302
APP SEN 1/CIRC P2123 2123 — — 1 ×EC-1302
APP SEN 2/CIRC P2127 2127 — — 1 ×EC-1309
APP SEN 2/CIRC P2128 2128 — — 1 ×EC-1309
TP SENSOR P2135 2135 — — 1 ×EC-1316
APP SENSOR P2138 2138 — — 1 ×EC-1323
Items
(CONSULT-II screen terms) DTC*
1
SRT code
Test value/
Te s t l i m i t
(GST only) Trip MIL
Reference
page
CONSULT-II
GST*
2ECM*3

EC-752
[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2005 July 2005 FX
*: If completion of several SRTs is required, perform driving patterns (DTC confirmation procedure), one by one based on the pr iority for
models with CONSULT-II.
SRT Set Timing
SRT is set as “CMPLT” after self-diagnosis has been performed one or more times. Completion of SRT is
done regardless of whether the result is OK or NG. The set timing is different between OK and NG results and
is shown in the table below.
OK: Self-diagnosis is carried out and the result is OK.
NG: Self-diagnosis is carried out and the result is NG.
—: Self-diagnosis is not carried out.
When all SRT related self-diagnoses showed OK results in a single cycle (Ignition OFF-ON-OFF), the SRT will
indicate “CMPLT”. → Case 1 above
When all SRT related self-diagnoses showed OK results through several different cycles, the SRT will indicate
“CMPLT” at the time the respective self-diagnoses have at least one OK result. → Case 2 above
SRT item
(CONSULT-II indica-
tion) Perfor-
mance
Priority* Required self-diagnostic items to set the SRT to “CMPLT”
Corresponding DTC
No.
CATALYST 2 Three way catalyst function P0420, P0430
EVAP SYSTEM 1 EVAP control system P0442 2 EVAP control system P0456
2 EVAP control system purge flow monitoring P0441
HO2S 2 Heated oxygen sensor 1 P0133, P0153 Heated oxygen sensor 1 P1143, P1163
Heated oxygen sensor 1 P1144, P1164
Heated oxygen sensor 2 P0139, P0159
Heated oxygen sensor 2 P1146, P1166
Heated oxygen sensor 2 P1147, P1167
HO2S HTR 2 Heated oxygen sensor 1 heater P0031, P0032, P0051, P0052
Heated oxygen sensor 2 heater P0037, P0038, P0057, P0058
Self-diagnosis result Example
Diagnosis Ignition cycle
← ON → OFF ← ON → OFF ← ON → OFF ← ON →
All OK Case 1 P0400 OK (1) — (1) OK (2) — (2) P0402 OK (1) — (1) — (1) OK (2)
P1402 OK (1) OK (2) — (2) — (2)
SRT of EGR “CMPLT” “CMPLT” “CMPLT” “CMPLT”
Case 2 P0400 OK (1) — (1) — (1) — (1) P0402 — (0) — (0) OK (1) — (1)
P1402 OK (1) OK (2) — (2) — (2)
SRT of EGR “INCMP” “INCMP” “CMPLT” “CMPLT”
NG exists Case 3 P0400 OK OK — — P0402 — — — —
P1402 NG — NG NG
(Consecutive NG)
(1st trip) DTC 1st trip DTC — 1st trip DTC DTC
(= MIL “ON”)
SRT of EGR “INCMP” “INCMP” “INCMP” “CMPLT”

EC-758
[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2005 July 2005 FX
HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION
How to Erase DTC
With CONSULT-II
The emission related diagnostic information in the ECM can be erased by selecting “ERASE” in the “SELF-
DIAG RESULTS” mode with CONSULT-II.
If DTCs are displayed for both ECM and TCM (Transmission control module), they need to be erased individu-
ally from the ECM and TCM (Transmission control module).
NOTE:
If the DTC is not for A/T related items (see EC-707
), skip steps 2 through 4.
1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10 seconds and then turn it ON (engine stopped) again.
2. Turn CONSULT-II ON and touch “A/T”.
Item Self-diagnostic test item DTC Test value (GST display)
Test limit Conversion
TID CID
CATALYST Three way catalyst function (Bank 1)
P0420 01H 01H Max. 1/128
P0420 02H 81H Min. 1
Three way catalyst function (Bank 2) P0430 03H 02H Max. 1/128
P0430 04H 82H Min. 1
EVAP
SYSTEM EVAP control system (Small leak) P0442 05H 03H Max.
1/128mm
2
EVAP control system purge flow monitoring P0441 06H 83H Min. 20mV
EVAP control system (Very small leak) P0456 07H 03H Max. 1/128mm
2
HO2S Heated oxygen sensor 1 (Bank 1)
P0133 09H 04H Max. 16ms
P1143 0AH 84H Min. 10mV
P1144 0BH 04H Max. 10mV
P0132 0CH 04H Max. 10mV
P0134 0DH 04H Max. 1s
Heated oxygen sensor 1 (Bank 2) P0153 11H 05H Max. 16ms
P1163 12H 85H Min. 10mV
P1164 13H 05H Max. 10mV
P0152 14H 05H Max. 10mV
P0154 15H 05H Max. 1s
Heated oxygen sensor 2 (Bank 1) P0139 19H 86H Min. 10mV/500ms
P1147 1AH 86H Min. 10mV
P1146 1BH 06H Max. 10mV
P0138 1CH 06H Max. 10mV
Heated oxygen sensor 2 (Bank 2) P0159 21H 87H Min. 10mV/500ms
P1167 22H 87H Min. 10mV
P1166 23H 07H Max. 10mV
P0158 24H 07H Max. 10mV
HO2S
HEATER Heated oxygen sensor 1 heater (Bank 1)
P0032 29H 08H Max. 20mV
P0031 2AH 88H Min. 20mV
Heated oxygen sensor 1 heater (Bank 2) P0052 2BH 09H Max. 20mV
P0051 2CH 89H Min. 20mV
Heated oxygen sensor 2 heater (Bank 1) P0038 2DH 0AH Max. 20mV
P0037 2EH 8AH Min. 20mV
Heated oxygen sensor 2 heater (Bank 2) P0058 2FH 0BH Max. 20mV
P0057 30H 8BH Min. 20mV

ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-761
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EC
Revision: 2005 July 2005 FX
ON BOARD DIAGNOSTIC SYSTEM FUNCTION
The on board diagnostic system has the following four functions.
When there is an open circuit on MIL circuit, the ECM cannot warn the driver by lighting up MIL when there is
malfunction on engine control system.
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuously detected as
NG for 5 trips, ECM warns the driver that engine control system malfunctions and MIL circuit is open by means
of operating fail-safe function.
The fail-safe function also operates when above diagnoses except MIL circuit are detected and demands the
driver to repair the malfunction.
MIL Flashing Without DTC

When any SRT codes are not set, MIL may flash without DTC. For the details, refer to EC-754, "How to
Display SRT Status" .

If the ECM is in Diagnostic Test Mode II, MIL may flash when engine is running. In this case, check ECM
diagnostic test mode. EC-762, "
HOW TO SWITCH DIAGNOSTIC TEST MODE" .
How to switch the diagnostic test (function) modes, and details of the above functions are described later.
EC-762, "
HOW TO SWITCH DIAGNOSTIC TEST MODE" .
The following emission-related diagnostic information is cleared when the ECM memory is erased.
–Diagnostic trouble codes
–1st trip diagnostic trouble codes
–Freeze frame data
–1st trip freeze frame data
–System readiness test (SRT) codes
Diagnostic Test
Mode KEY and ENG.
Status Function Explanation of Function
Mode I Ignition switch in ON position
Engine stopped BULB CHECK This function checks the MIL bulb for damage (blown,
open circuit, etc.).
If the MIL does not come on, check MIL circuit.
Engine running MALFUNCTION WARNING This is a usual driving condition. When a malfunction is
detected twice in two consecutive driving cycles (two trip
detection logic), the MIL will light up to inform the driver
that a malfunction has been detected.
The following malfunctions will light up or blink the MIL in
the 1st trip.

Misfire (Possible three way catalyst damage)

One trip detection diagnoses
Mode II Ignition switch in ON position
Engine stopped SELF-DIAGNOSTIC
RESULTS This function allows DTCs and 1st trip DTCs to be read.
Engine running HEATED OXYGEN SENSOR 1 MONITOR This function allows the fuel mixture condition (lean or
rich), monitored by heated oxygen sensor 1, to be read.
Engine operating condition in fail-safe mode Engine speed will not rise more than 2,500 rpm due to the fuel cut