Nissan Primera P12. Manual — part 338
DTC P0580, P0581 ASCD STEERING SWITCH
EC-537
[YD (WITHOUT EURO-OBD)]
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Diagnostic Procedure
EBS0158P
1.
CHECK ASCD STEERING SWITCH CIRCUIT
1.
Turn ignition switch ON.
2.
Select “MAIN SW”, “RESUME/ACC SW”, “SET SW” and “CANCEL SW” in “DATA MONITOR” mode with
CONSULT-II.
3.
Check each item indication under the following conditions.
OK or NG
OK
>> GO TO 7.
NG
>> GO TO 2.
2.
CHECK ASCD STEERING SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ASCD steering harness connector.
3.
Disconnect ECM harness connector.
4.
Check harness continuity between switch terminal 2 and ECM
terminal 103. Refer to Wiring Diagram.
5.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors M77, F109
●
Spiral cable
●
Harness for open and short between ECM and ASCD steering switch
>> Repair open circuit or short to ground short to power in harness or connectors.
Switch
Monitor item
Condition
Indication
ON/OFF
MAIN SW
Pressed
ON
Released
OFF
SET/COAST
SET SW
Pressed
ON
Released
OFF
RESUME/ACCEL
RESUME/ACC SW
Pressed
ON
Released
OFF
CANCEL
CANCEL SW
Pressed
ON
Released
OFF
SEC006D
Continuity should exist.
MBIB0234E
EC-538
[YD (WITHOUT EURO-OBD)]
DTC P0580, P0581 ASCD STEERING SWITCH
4.
CHECK ASCD STEERING SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check harness continuity between ECM terminal 102 and ASCD steering switch terminal 1.
Refer to Wiring Diagram.
2.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 6.
NG
>> GO TO 5.
5.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors M77, F109
●
Spiral cable
●
Harness for open and short between ECM and ASCD steering switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK ASCD STEERING SWITCH
Refer to
EC-538, "Component Inspection"
OK or NG
OK
>> GO TO 7.
NG
>> Replace ASCD steering switch.
7.
CHECK INTERMITTENT INCIDENT
Refer to
EC-408, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
>> INSPECTION END
Component Inspection
EBS0158Q
ASCD STEERING SWITCH
1.
Disconnect ASCD steering switch.
2.
Check continuity between ASCD steering switch terminals 1 and
2 with pushing each switch.
Continuity should exist.
Switch
Condition
Resistance [
Ω
]
ON/OFF
Pressed
Approx. 0
Released
Approx. 4,000
SET/COAST
Pressed
Approx. 660
Released
Approx. 4,000
RESUME/ACCEL
Pressed
Approx. 1,480
Released
Approx. 4,000
CANCEL
Pressed
Approx. 250
Released
Approx. 4,000
MBIB0236E
DTC P0605 ECM
EC-539
[YD (WITHOUT EURO-OBD)]
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EC
DTC P0605 ECM
PFP:23710
Description
EBS0158R
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The ECM controls the engine.
On Board Diagnosis Logic
EBS0158S
DTC Confirmation Procedure
EBS0158T
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1.
Turn ignition switch ON.
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Wait at least 5 seconds.
4.
If DTC is detected, go to
EC-539, "Diagnostic Procedure"
.
Diagnostic Procedure
EBS0158U
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
EC-539, "DTC Confirmation Procedure"
, again.
5.
Is DTC P0605 displayed again?
Yes or No
Yes
>> GO TO 2.
No
>> INSPECTION END
MBIB0625E
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0605
Engine control module
(ROM)
ECM ROM is malfunctioning.
●
ECM
SEF817Y
EC-540
[YD (WITHOUT EURO-OBD)]
DTC P0605 ECM
2.
REPLACE ECM
1.
Replace ECM.
2.
Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer to
"NATS (Nissan Anti-theft System)"
.
3.
Perform Fuel Pump Learning Value Clearing. Refer to
EC-368, "Fuel Pump Learning Value Clearing"
.
>> INSPECTION END
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