EC-764
[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 January2006 M35/M45
ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionNBS005A1
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-819,
"Fail-Safe Chart" .)
Two Trip Detection LogicNBS005A2
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.
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 DTCFreeze
Frame data1st trip Freeze
Frame dataSRT code SRT status Test value
CONSULT-II
—
GST
—
ECM*— — ——
ItemsMIL DTC 1st trip DTC
1st trip 2nd trip
1st trip
displaying2nd trip
displaying1st trip
displaying2nd trip
display-
ing BlinkingLighting
upBlinkingLighting
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-765, "
EMISSION-
RELATED DIAGNOSTIC INFOR-
MATION ITEMS" .)—
—————
Except above — — —
——
ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-765
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Revision: 2006 January2006 M35/M45
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.
Emission-Related Diagnostic InformationNBS005A3
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 codeTest value/
Test limit
(GST only)Trip MILReference
page CONSULT-II
GST*
2ECM*3
CAN COMM CIRCUIT U1000
1000*4—— 1EC-886
CAN COMM CIRCUIT U1001
1001*4—— 2 —EC-886
CONTROL UNIT(CAN) U1010 1010 — — 1EC-889
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.P0000 0000———
Flashing*8—
INT/V TIM CONT-B1 P0011 0011 — — 2
EC-891
INT/V TIM CONT-B2 P0021 0021 — — 2EC-891
A/F SEN1 HTR (B1) P0031 0031 —2EC-904
A/F SEN1 HTR (B1) P0032 0032 —2EC-904
HO2S2 HTR (B1) P0037 0037 —2EC-911
HO2S2 HTR (B1) P0038 0038 —2EC-911
A/F SEN1 HTR (B2) P0051 0051 —2EC-904
A/F SEN1 HTR (B2) P0052 0052 —2EC-904
HO2S2 HTR (B2) P0057 0057 —2EC-911
HO2S2 HTR (B2) P0058 0058 —2EC-911
INT/V TIM V/CIR-B1 P0075 0075 — — 2EC-920
INT/V TIM V/CIR-B2 P0081 0081 — — 2EC-920
MAF SEN/CIRCUIT P0101 0101 — — 2EC-927
MAF SEN/CIRCUIT P0102 0102 — — 1EC-936
MAF SEN/CIRCUIT P0103 0103 — — 1EC-936
IAT SEN/CIRCUIT P0112 0112 — — 2EC-943
IAT SEN/CIRCUIT P0113 0113 — — 2EC-943
ECT SEN/CIRC P0117 0117 — — 1EC-948
ECT SEN/CIRC P0118 0118 — — 1EC-948
TP SEN 2/CIRC P0122 0122 — — 1EC-954
TP SEN 2/CIRC P0123 0123 — — 1EC-954
ECT SENSOR P0125 0125 — — 1EC-961
IAT SENSOR P0127 0127 — — 2EC-964
THERMSTAT FNCTN P0128 0128 — — 2EC-967
A/F SENSOR1 (B1) P0130 0130 —2EC-969
A/F SENSOR1 (B1) P0131 0131 —2EC-979
A/F SENSOR1 (B1) P0132 0132 —2EC-988
A/F SENSOR1 (B1) P0133 01332EC-997
HO2S2 (B1) P0137 01372EC-1009
EC-766
[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 January2006 M35/M45
HO2S2 (B1) P0138 01382EC-1020
HO2S2 (B1) P0139 01392EC-1033
A/F SENSOR1 (B2) P0150 0150 —2EC-969
A/F SENSOR1 (B2) P0151 0151 —2EC-979
A/F SENSOR1 (B2) P0152 0152 —2EC-988
A/F SENSOR1 (B2) P0153 01532EC-997
HO2S2 (B2) P0157 01572EC-1009
HO2S2 (B2) P0158 01582EC-1020
HO2S2 (B2) P0159 01592EC-1033
FUEL SYS-LEAN-B1 P0171 0171 — — 2EC-1044
FUEL SYS-RICH-B1 P0172 0172 — — 2EC-1055
FUEL SYS-LEAN-B2 P0174 0174 — — 2EC-1044
FUEL SYS-RICH-B2 P0175 0175 — — 2EC-1055
FTT SENSOR P0181 0181 — — 2EC-1066
FTT SEN/CIRCUIT P0182 0182 — — 2EC-1072
FTT SEN/CIRCUIT P0183 0183 — — 2EC-1072
TP SEN 1/CIRC P0222 0222 — — 1EC-1077
TP SEN 1/CIRC P0223 0223 — — 1EC-1077
MULTI CYL MISFIRE P0300 0300 — — 2EC-1084
CYL 1 MISFIRE P0301 0301 — — 2EC-1084
CYL 2 MISFIRE P0302 0302 — — 2EC-1084
CYL 3 MISFIRE P0303 0303 — — 2EC-1084
CYL 4 MISFIRE P0304 0304 — — 2EC-1084
CYL 5 MISFIRE P0305 0305 — — 2EC-1084
CYL 6 MISFIRE P0306 0306 — — 2EC-1084
CYL 7 MISFIRE P0307 0307 — — 2EC-1084
CYL 8 MISFIRE P0308 0308 — — 2EC-1084
KNOCK SEN/CIRC-B1 P0327 0327 — — 2 —EC-1094
KNOCK SEN/CIRC-B1 P0328 0328 — — 2 —EC-1094
KNOCK SEN/CIRC-B2 P0332 0332 — — 2 —EC-1094
KNOCK SEN/CIRC-B2 P0333 0333 — — 2 —EC-1094
CKP SEN/CIRCUIT P0335 0335 — — 2EC-1099
CMP SEN/CIRC-B1 P0340 0340 — — 2EC-1106
TW CATALYST SYS-B1 P0420 04202EC-1113
TW CATALYST SYS-B2 P0430 04302EC-1113
EVAP PURG FLOW/MON P0441 04412EC-1119
EVAP SMALL LEAK P0442 04422EC-1124
PURG VOLUME CONT/V P0443 0443 — — 2EC-1132
PURG VOLUME CONT/V P0444 0444 — — 2EC-1140
PURG VOLUME CONT/V P0445 0445 — — 2EC-1140
VENT CONTROL VALVE P0447 0447 — — 2EC-1147
VENT CONTROL VALVE P0448 0448 — — 2EC-1154
Items
(CONSULT-II screen terms)DTC*
1
SRT codeTest value/
Te s t l i m i t
(GST only)Trip MILReference
page CONSULT-II
GST*
2ECM*3
ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-767
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Revision: 2006 January2006 M35/M45EVAP SYS PRES SEN P0451 0451 — — 2EC-1160
EVAP SYS PRES SEN P0452 0452 — — 2EC-1163
EVAP SYS PRES SEN P0453 0453 — — 2EC-1170
EVAP GROSS LEAK P0455 0455 — — 2EC-1178
EVAP VERY SML LEAK P0456 0456*72EC-1185
FUEL LEV SEN SLOSH P0460 0460 — — 2EC-1194
FUEL LEVEL SENSOR P0461 0461 — — 2EC-1196
FUEL LEVL SEN/CIRC P0462 0462 — — 2EC-1198
FUEL LEVL SEN/CIRC P0463 0463 — — 2EC-1198
VEH SPEED SEN/CIRC*5P0500 0500 — — 2EC-1200
ISC SYSTEM P0506 0506 — — 2EC-1202
ISC SYSTEM P0507 0507 — — 2EC-1204
PW ST P SEN/CIRC P0550 0550 — — 2 —EC-1206
ECM BACK UP/CIRCUIT P0603 0603 — — 2EC-1211
ECM P0605 0605 — — 1 or 2 or —EC-1215
SENSOR POWER/CIRC P0643 0643 — — 1EC-1218
TCM P0700 0700 — — 1AT- 11 2
PNP SW/CIRC P0705 0705 — — 2AT- 11 3
ATF TEMP SEN/CIRC P0710 0710 — — 2AT-135
TURBINE SENSOR P0717 0717 — — 2AT- 11 7
VEH SPD SEN/CIR AT*5P0720 0720 — — 2AT- 11 9
TCC SOLENOID/CIRC P0740 0740 — — 2AT-126
A/T TCC S/V FNCTN P0744 0744 — — 2AT-128
L/PRESS SOL/CIRC P0745 0745 — — 2AT-130
P-N POS SW/CIRCUIT P0850 0850 — — 2EC-1223
INTK TIM S/CIRC-B1 P1140 1140 — — 2EC-1228
INTK TIM S/CIRC-B2 P1145 1145 — — 2EC-1228
CLOSED LOOP-B1 P1148 1148 — — 1EC-1236
CLOSED LOOP-B2 P1168 1168 — — 1EC-1236
TCS C/U FUNCTN P1211 1211 — — 2 —EC-1237
TCS/CIRC P1212 1212 — — 2 —EC-1238
ENG OVER TEMP P1217 1217 — — 1EC-1239
FPCM/CIRCUIT P1220 1220 — — 2EC-1251
CTP LEARNING P1225 1225 — — 2 —EC-1259
CTP LEARNING P1226 1226 — — 2 —EC-1261
BAT CURRENT SENSOR P1550 1550 — — 2 —EC-1263
BAT CURRENT SENSOR P1551 1551 — — 2 —EC-1269
BAT CURRENT SENSOR P1552 1552 — — 2 —EC-1269
BAT CURRENT SENSOR P1553 1553 — — 2 —EC-1275
BAT CURRENT SENSOR P1554 1554 — — 2 —EC-1281
Items
(CONSULT-II screen terms)DTC*
1
SRT codeTest value/
Test limit
(GST only)Trip MILReference
page CONSULT-II
GST*
2ECM*3
EC-768
[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 January2006 M35/M45
ASCD SW P1564 1564 — — 1 —EC-1287
(Models
with ICC)
EC-1294
(Models
with ASCD)
ICC COMMAND VALUE*
6P1568 1568 — — 1 —EC-1301
ASCD BRAKE SW P1572 1572 — — 1 —EC-1302
(Models
with ICC)
EC-1311
(Models
with ASCD)
ASCD VHL SPD SEN P1574 1574 — — 1 —EC-1319
(Models
with ICC)
EC-1321
(Models
with ASCD)
NATS MALFUNCTION P1610 - P1615 1610 - 1615 — — 2 —EC-763
IN PULY SPEED P1715 1715 — — 2 —EC-1323
A/T INTERLOCK P1730 1730 — — 1AT- 1 4 2
I/C SOLENOID/CIRC P1752 1752 — — 1AT- 1 4 7
I/C SOLENOID FNCTN P1754 1754 — — 1AT- 1 4 9
FR/B SOLENOID/CIRC P1757 1757 — — 1AT- 1 5 1
FR/B SOLENOID FNCT P1759 1759 — — 1AT- 1 5 3
D/C SOLENOID/CIRC P1762 1762 — — 1AT- 1 5 5
D/C SOLENOID FNCTN P1764 1764 — — 1AT- 1 5 7
HLR/C SOL/CIRC P1767 1767 — — 1AT- 1 5 9
HLR/C SOL FNCTN P1769 1769 — — 1AT- 1 6 1
LC/B SOLENOID/CIRC P1772 1772 — — 1AT- 1 6 3
LC/B SOLENOID FNCT P1774 1774 — — 1AT- 1 6 5
VIAS S/V CIRC P1800 1800 — — 2 —EC-1324
BRAKE SW/CIRCUIT P1805 1805 — — 2 —EC-1329
ETC MOT PWR P2100 2100 — — 1EC-1338
ETC FUNCTION/CIRC P2101 2101 — — 1EC-1344
ETC MOT PWR P2103 2103 — — 1EC-1338
ETC MOT P2118 2118 — — 1EC-1351
ETC ACTR P2119 2119 — — 1EC-1356
APP SEN 1/CIRC P2122 2122 — — 1EC-1358
APP SEN 1/CIRC P2123 2123 — — 1EC-1358
APP SEN 2/CIRC P2127 2127 — — 1EC-1365
APP SEN 2/CIRC P2128 2128 — — 1EC-1365
TP SENSOR P2135 2135 — — 1EC-1372
APP SENSOR P2138 2138 — — 1EC-1379
A/F SENSOR1 (B1) P2A00 2A00 —2EC-1387
A/F SENSOR1 (B2) P2A03 2A03 —2EC-1387
Items
(CONSULT-II screen terms)DTC*
1
SRT codeTest value/
Te s t l i m i t
(GST only)Trip MILReference
page CONSULT-II
GST*
2ECM*3
ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-771
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Revision: 2006 January2006 M35/M45
If, during the state emissions inspection, the SRT indicates “CMPLT” for all test items, the inspector will con-
tinue with the emissions test. However, if the SRT indicates “INCMP” for one or more of the SRT items the
vehicle is returned to the customer untested.
NOTE:
If MIL is ON during the state emissions inspection, the vehicle is also returned to the customer untested even
though the SRT indicates “CMPLT” for all test items. Therefore, it is important to check SRT (“CMPLT”) and
DTC (No DTCs) before the inspection.
SRT Item
The table below shows required self-diagnostic items to set the SRT to “CMPLT”.
*: If completion of several SRTs is required, perform driving patterns (DTC confirmation procedure), one by one based on the priority 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
SRT item
(CONSULT-II indication)Performance
Priority*Required self-diagnostic items to set the SRT to “CMPLT”Corresponding
DTC No.
CATALYST 2 Three way catalyst function P0420, P0430
EVAP SYSTEM 2 EVAP control system purge flow monitoring P0441
1 EVAP control system P0442
2 EVAP control system P0456
HO2S 2 Air fuel ratio (A/F) sensor 1 P0133, P0153
Heated oxygen sensor 2 P0137, P0157
Heated oxygen sensor 2 P0138, P0158
Heated oxygen sensor 2 P0139, P0159
Self-diagnosis resultExample
DiagnosisIgnition 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 — NGNG
(Consecutive
NG)
(1st trip)
DTC1st trip DTC — 1st trip DTCDTC
(= MIL ON)
SRT of EGR “INCMP” “INCMP” “INCMP” “CMPLT”
ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-777
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Revision: 2006 January2006 M35/M45
TEST VALUE AND TEST LIMIT (GST ONLY — NOT APPLICABLE TO CONSULT-II)
The following is the information specified in Service $06 of SAE J1979.
The test value is a parameter used to determine whether a system/circuit diagnostic test is OK or NG while
being monitored by the ECM during self-diagnosis. The test limit is a reference value which is specified as the
maximum or minimum value and is compared with the test value being monitored.
These data (test value and test limit) are specified by Test ID (TID) and Component ID (CID) and can be dis-
played on the GST screen.
Item Self-diagnostic test item DTCTest value (GST display)
Test limit Conversion
TID CID
CATALYSTThree 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
SYSTEMEVAP control system (Small leak) P0442 05H 03H Max.
1/128 mm
2
EVAP control system purge flow monitoring P0441 06H 83H Min. 20 mV
EVAP control system (Very small leak) P0456 07H 03H Max.
1/128 mm
2
HO2SAir fuel ratio (A/F) sensor 1 (Bank 1)P0131 41H 8EH Min. 5mV
P0132 42H 0EH Max. 5mV
P2A00 43H 0EH Max. 0.002
P2A00 44H 8EH Min. 0.002
P0133 45H 8EH Min. 0.004
P0130 46H 0EH Max. 5mV
P0130 47H 8EH Min. 5mV
P0133 48H 8EH Min. 0.004
Air fuel ratio (A/F) sensor 1 (Bank 2)P0151 4CH 8FH Min. 5mV
P0152 4DH 0FH Max. 5mV
P2A03 4EH 0FH Max. 0.002
P2A03 4FH 8FH Min. 0.002
P0153 50H 8FH Min. 0.004
P0150 51H 0FH Max. 5mV
P0150 52H 8FH Min. 5mV
P0153 53H 8FH Min. 0.004
Heated oxygen sensor 2 (Bank 1)P0139 19H 86H Min. 10mV/500 ms
P0137 1AH 86H Min. 10 mV
P0138 1BH 06H Max. 10 mV
P0138 1CH 06H Max. 10mV
Heated oxygen sensor 2 (Bank 2)P0159 21H 87H Min. 10 mV/500 ms
P0157 22H 87H Min. 10 mV
P0158 23H 07H Max. 10 mV
P0158 24H 07H Max. 10mV
EC-778
[VK45DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 January2006 M35/M45
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-726, "
INDEX FOR DTC" ), 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”.
3. Touch “SELF-DIAG RESULTS”.
4. Touch “ERASE”. [The DTC in the TCM (Transmission control module) will be erased.] Then touch “BACK”
twice.
5. Touch “ENGINE”.
6. Touch “SELF-DIAG RESULTS”.
7. Touch “ERASE”. (The DTC in the ECM will be erased.)
HO2S
HEATERA/F sensor 1 heater (Bank 1) P0032 57H 10H Max. 5 mV
P0031 58H 90H Min. 5 mV
A/F sensor 1 heater (Bank 2)P0052 59H 11H Max. 5 mV
P0051 5AH 91H Min. 5 mV
Heated oxygen sensor 2 heater (Bank 1)P0038 2DH 0AH Max. 20 mV
P0037 2EH 8AH Min. 20 mV
Heated oxygen sensor 2 heater (Bank 2)P0058 2FH 0BH Max. 20 mV
P0057 30H 8BH Min. 20 mV Item Self-diagnostic test item DTCTest value (GST display)
Test limit Conversion
TID CID