Nissan Terrano model r20 series 2004. Instruction — part 121
Diagnostic Procedure
1
INSPECTION START
With CONSULT-II
1. Turn ignition switch “ON”.
2. Select “SELF DIAG RESULTS” mode with CONSULT-II.
3. Touch “ERASE”.
4. Perform “DTC Confirmation Procedure”, EC-205, again.
5. Is the malfunction displayed again?
Without CONSULT-II
1. Turn ignition switch “ON”.
2. Erase the Diagnostic Test Mode II (Self-diagnostic results) memory.
3. Perform “DTC Confirmation Procedure”, EC-205, again.
4. Perform “Diagnostic Test Mode II (Self-diagnostic results)”.
5. Is the DTC 0802 displayed again?
Yes or No
Yes
E
Replace ECM.
No
E
INSPECTION END
DTC 0802 ECM 10
ZD30DDTi
EC-206
Description
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The unit controls the engine.
On Board Diagnosis Logic
Malfunction is detected when ...
Check Items (Possible Cause)
I
ECM input signal processing function is malfunctioning.
I
ECM
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch “ON”.
2) Select “DATA MONITOR” mode with CONSULT-II.
3) Wait at least 1 second.
4) If DTC is detected, go to “Diagnostic Procedure”, EC-208.
WITHOUT CONSULT-II
1) Turn ignition switch “ON” and wait at least 1 second.
2) Turn ignition switch “OFF”, wait at least 5 seconds and then turn
“ON”.
3) Perform “Diagnostic Test Mode II (Self-diagnostic results)” with
ECM.
4) If DTC is detected, go to “Diagnostic Procedure”, EC-208.
SEC220B
SEF817Y
DTC 0804 ECM 11
ZD30DDTi
EC-207
Diagnostic Procedure
1
INSPECTION START
With CONSULT-II
1. Turn ignition switch “ON”.
2. Select “SELF DIAG RESULTS” mode with CONSULT-II.
3. Touch “ERASE”.
4. Perform “DTC Confirmation Procedure”, EC-207, again.
5. Is the malfunction displayed again?
Without CONSULT-II
1. Turn ignition switch “ON”.
2. Erase the Diagnostic Test Mode II (Self-diagnostic results) memory.
3. Perform “DTC Confirmation Procedure”, EC-207, again.
4. Perform “Diagnostic Test Mode II (Self-diagnostic results)”.
5. Is the DTC 0802 displayed again?
Yes or No
Yes
E
Replace ECM.
No
E
INSPECTION END
DTC 0804 ECM 11
ZD30DDTi
EC-208
Description
The stop lamp switch is installed to brake pedal bracket. The switch
senses brake pedal position and sends an ON-OFF signal to the
ECM. The ECM uses the signal to control the fuel injection control
system.
ECM Terminals and Reference Value
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may damage the
ECM’s transistor. Use a ground other than ECM terminals, such as the ground.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
17
G/Y
Stop lamp switch
Ignition switch “ON”
Brake pedal fully released
Approximately 0V
Ignition switch “ON”
Brake pedal depressed
BATTERY VOLTAGE
(11 - 14V)
On Board Diagnosis Logic
Malfunction is detected when ...
Check Items (Possible Cause)
I
An irregular voltage signal from the switch is sent to ECM.
I
Harness or connectors
(The stop lamp switch circuit is open or shorted.)
I
Stop lamp switch
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch “ON”.
2) Select “DATA MONITOR” mode with CONSULT-II.
3) Depress and release brake pedal more than 10 times.
4) If DTC is detected, go to “Diagnostic Procedure”, EC-211.
WITHOUT CONSULT-II
1) Turn ignition switch “ON”.
2) Depress and release brake pedal more than 10 times.
3) Turn ignition switch “OFF”, wait at least 5 seconds and then turn
“ON”.
4) Perform “Diagnostic Test Mode II (Self-diagnostic results)” with
ECM.
5) If DTC is detected, go to “Diagnostic Procedure”, EC-211.
MEC027E
SEF817Y
DTC 0807 ECM 14
ZD30DDTi
EC-209
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