Nissan Almera Tino V10. Manual — part 441
EC-590
[QG (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
Description for Work Flow
STEP
DESCRIPTION
STEP I
Get detailed information about the conditions and the environment when the incident/symptom occurred using the
“DIAGNOSTIC WORK SHEET”,
.
STEP II
Before confirming the concern, check and write down (print out using CONSULT-II) the (1st trip) DTC and the (1st
trip) freeze frame data, then erase the DTC and the data. (Refer to
EC-582, "HOW TO ERASE EMISSION-RELATED
.) The (1st trip) DTC and the (1st trip) freeze frame data can be used when duplicat-
ing the incident at STEP III & IV.
If the incident cannot be verified, perform
EC-644, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
Study the relationship between the cause, specified by (1st trip) DTC, and the symptom described by the customer.
(The “Symptom Matrix Chart” will be useful. See
.)
Also check related service bulletins for information.
STEP III
Try to confirm the symptom and under what conditions the incident occurs.
The “DIAGNOSTIC WORK SHEET” and the freeze frame data are useful to verify the incident. Connect CONSULT-II
to the vehicle in DATA MONITOR (AUTO TRIG) mode and check real time diagnosis results.
If the incident cannot be verified, perform
EC-644, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
If the malfunction code is detected, skip STEP IV and perform STEP V.
STEP IV
Try to detect the (1st trip) DTC by driving in (or performing) the “DTC Confirmation Procedure”. Check and read the
(1st trip) DTC and (1st trip) freeze frame data by using CONSULT-II.
During the (1st trip) DTC verification, be sure to connect CONSULT-II to the vehicle in DATA MONITOR (AUTO TRIG)
mode and check real time diagnosis results.
If the incident cannot be verified, perform
EC-644, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
In case the “DTC Confirmation Procedure” is not available, perform the “Overall Function Check” instead. The (1st
trip) DTC cannot be displayed by this check, however, this simplified “check” is an effective alternative.
The “NG” result of the “Overall Function Check” is the same as the (1st trip) DTC detection.
STEP V
Take the appropriate action based on the results of STEP I through IV.
If the malfunction code is indicated, proceed to TROUBLE DIAGNOSIS FOR DTC PXXXX.
If the normal code is indicated, proceed to the BASIC INSPECTION. (Refer to
.) If COSULT-II is available,
perform “DATA MONITOR (SPEC)” mode with CONSULT-II and proceed to the “TOROUBLE DIAGNOSIS – SPECI-
FICATION VALUE”. (Refer to
.) (If malfunction is detected, proceed to “PERAIR/REPLACE”.) Then perform
inspections according to the Symptom Matrix Chart. (Refer to
.)
STEP VI
Identify where to begin diagnosis based on the relationship study between symptom and possible causes. Inspect the
system for mechanical binding, loose connectors or wiring damage using (tracing) “Harness Layouts”.
Gently shake the related connectors, components or wiring harness with CONSULT-II set in “DATA MONITOR
(AUTO TRIG)” mode.
Check the voltage of the related ECM terminals or monitor the output data from the related sensors with CONSULT-II.
Refer to
,
.
The “Diagnostic Procedure” in EC section contains a description based on open circuit inspection. A short circuit
inspection is also required for the circuit check in the Diagnostic Procedure. For details, refer to “Circuit Inspection” in
“HOW TO PERFORM EFFICIENT DIAGNOSES FOR AN ELECTRICAL INCIDENT”, GI-21.
Repair or replace the malfunction parts.
If malfunctioning part cannot be detected, perform
EC-644, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
.
STEP VII
Once you have repaired the circuit or replaced a component, you need to run the engine in the same conditions and
circumstances which resulted in the customer's initial complaint.
Perform the “DTC Confirmation Procedure” and confirm the normal code [DTC No. P0000] is detected. If the incident
is still detected in the final check, perform STEP VI by using a method different from the previous one.
Before returning the vehicle to the customer, be sure to erase the unnecessary (already fixed) (1st trip) DTC in ECM
and TCM (Transmission control module). (Refer to
EC-582, "HOW TO ERASE EMISSION-RELATED DIAGNOSTIC
.)
TROUBLE DIAGNOSIS
EC-591
[QG (WITHOUT EURO-OBD)]
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EC
DIAGNOSTIC WORKSHEET
Description
There are many operating conditions that lead to the malfunction of
engine components. A good grasp of such conditions can make trou-
bleshooting faster and more accurate.
In general, each customer feels differently about a incident. It is
important to fully understand the symptoms or conditions for a cus-
tomer complaint.
Utilize a diagnostic worksheet like the one on the next page in order
to organize all the information for troubleshooting.
Some conditions may cause the MI to come on steady or blink and
DTC to be detected. Examples:
●
Vehicle ran out of fuel, which caused the engine to misfire.
●
Fuel filler cap was left off or incorrectly screwed on, allowing fuel
to evaporate into the atmosphere.
SEF907L
EC-592
[QG (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
Worksheet Sample
DTC Inspection Priority Chart
EBS00QV7
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
NOTE:
If DTC U1000 and/or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC
U1000 and U1001. Refer to
EC-651, "DTC U1000, U1001 CAN COMMUNICATION LINE"
.
MTBL0017
TROUBLE DIAGNOSIS
EC-593
[QG (WITHOUT EURO-OBD)]
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EC
M/T MODELS
A/T MODELS
Fail-safe Chart
EBS00QV8
●
When the DTC listed below is detected, the ECM enters the fail-safe mode and the MI lights up.
Priority
Detected items (DTC)
1
●
U1001 CAN communication line
●
P0102 P0103 Mass air flow sensor
●
P0117 P0118 Engine coolant temperature sensor
●
P0221 P0222 P0223 P1223 P1224 P1225 P1226 P1229 Throttle position sensor
●
P0226 P0227 P0228 P1227 P1228 Accelerator pedal position sensor
●
P0327 P0328 Knock sensor
●
P0335 Crankshaft position sensor (POS)
●
P0340 Camshaft position sensor (PHASE)
●
P0605 ECM
●
P1610-P1615 NATS
2
●
P0132 P0134 Heated oxygen sensor 1
●
P0138 Heated oxygen sensor 2
●
P1065 ECM power supply
●
P1122 Electric throttle control function
●
P1124 P1126 P1128 Electric throttle control actuator
●
P1805 Brake switch
3
●
P1121 Electric throttle control actuator
●
P1217 Engine over temperature (OVERHEAT)
Priority
Detected items (DTC)
1
●
U1000 U1001 CAN communication line
●
P0102 P0103 Mass air flow sensor
●
P0117 P0118 Engine coolant temperature sensor
●
P0221 P0222 P0223 P1223 P1224 P1225 P1226 P1229 Throttle position sensor
●
P0226 P0227 P0228 P1227 P1228 Accelerator pedal position sensor
●
P0327 P0328 Knock sensor
●
P0335 Crankshaft position sensor (POS)
●
P0340 Camshaft position sensor (PHASE)
●
P0605 ECM
●
P1610-P1615 NATS
2
●
P0132 P0134 P0152 P0154 Heated oxygen sensor 1
●
P0138 P0158 Heated oxygen sensor 2
●
P1065 ECM power supply
●
P1122 Electric throttle control function
●
P1124 P1126 P1128 Electric throttle control actuator
●
P1805 Brake switch
3
●
P1121 Electric throttle control actuator
●
P1217 Engine over temperature (OVERHEAT)
DTC No.
Detected items
Engine operating condition in fail-safe mode
P0102
P0103
Mass air flow sensor circuit
Engine speed will not rise more than 2,400 rpm due to the fuel cut.
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