Nissan Qashqai (2007-2010). Manual — part 572
U1010 CONTROL UNIT (CAN)
TM-223
< COMPONENT DIAGNOSIS >
[CVT: RE0F10A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
U1010 CONTROL UNIT (CAN)
Description
INFOID:0000000000988646
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent malfunction detection ability.
Many electronic control units are equipped onto a vehicle, and each control unit shares information and links
with other control units during operation (not independent). In CAN communication, control units are con-
nected with 2 communication lines (CAN-H and CAN-L) allowing a high rate of information transmission with
less wiring. Each control unit transmits/receives data but selectively reads required data only.
DTC Logic
INFOID:0000000000988647
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch
OFF and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
1.
CHECK DTC DETECTION
With CONSULT-III
1.
Turn ignition switch ON.
2.
Start engine and wait for at least 6 seconds.
3.
Perform “SELF-DIAG RESULTS”. Refer to
TM-216, "CONSULT-III Function (TRANSMISSION)"
.
With GST
Follow the procedure “With CONSULT-III”.
Is “U1010 CONTROL UNIT (CAN)” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000000988648
1.
CHECK CAN COMMUNICATION CIRCUIT
With CONSULT-III
1.
Turn ignition switch ON and start engine.
2.
Select “SELF-DIAG RESULTS”.
Is any malfunction of the “U1010 CONTROL UNIT (CAN)” indicated?
YES
>> Print out CONSULT-III screen, go to LAN section. Refer to
LAN-46, "Trouble Diagnosis Flow
.
NO
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
DTC
Item
(CONSULT-III screen term)
Malfunction is detected when...
Possible cause
U1010
CONTROL UNIT (CAN)
When detecting error during the
initial diagnosis of CAN control-
ler to TCM.
Harness or connectors
(CAN communication line is
open or shorted.)
TM-224
< COMPONENT DIAGNOSIS >
[CVT: RE0F10A]
P0703 STOP LAMP SWITCH
P0703 STOP LAMP SWITCH
Description
INFOID:0000000000988649
ON, OFF status of the stop lamp switch is sent via the CAN communication from the BCM to TCM using the
signal.
DTC Logic
INFOID:0000000000988650
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
1.
CHECK DTC DETECTION
With CONSULT-III
1.
Turn ignition switch ON.
2.
Start engine.
3.
Start vehicle for at least 3 consecutive seconds.
4.
Perform “SELF-DIAG RESULTS”. Refer to
TM-216, "CONSULT-III Function (TRANSMISSION)"
.
Is “P0703 BRAKE SW/CIRC” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000000988651
1.
CHECK STOP LAMP SWITCH
Check stop lamp switch.
Is the inspection result normal?
YES
>>
Check the following. If NG, repair or replace damaged parts.
• Harness for short or open between battery and stop lamp switch.
• Harness for short or open between stop lamp switch and BCM.
• 10A fuse (No. 11, located in fuse block).
NO
>> Repair or replace the stop lamp switch.
Component Inspection
INFOID:0000000000988652
1.
CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch connector terminals.
DTC
Item
(CONSULT-III screen term)
Malfunction is detected when...
Possible cause
P0703
BRAKE SW/CIRC
When the brake switch does not
switch to ON or OFF.
• Harness or connectors
- (Stop lamp switch, and BCM
circuit are open or shorted.)
- (CAN communication line is
open or shorted.)
• Stop lamp switch
Stop lamp switch
Condition
Continuity
Connector
Terminal
E115
1
2
Depressed brake pedal
Existed
Released brake pedal
Not existed
P0703 STOP LAMP SWITCH
TM-225
< COMPONENT DIAGNOSIS >
[CVT: RE0F10A]
C
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TM
N
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P
Check stop lamp switch after adjusting brake pedal — refer to
Is the inspection result normal?
YES
>>
Check the following. If NG, repair or replace damaged parts.
• Harness for short or open between battery and stop lamp switch.
• Harness for short or open between stop lamp switch and BCM.
• 10A fuse (No. 11, located in fuse block).
NO
>> Repair or replace the stop lamp switch.
TM-226
< COMPONENT DIAGNOSIS >
[CVT: RE0F10A]
P0705 PARK/NEUTRAL POSITION SWITCH
P0705 PARK/NEUTRAL POSITION SWITCH
Description
INFOID:0000000000988653
• The PNP switch assembly includes a transaxle range switch.
• The transaxle range switch detects the selector lever position and sends a signal to the TCM.
DTC Logic
INFOID:0000000000988654
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch
OFF and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
1.
CHECK DTC DETECTION
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “DATA MONITOR”.
3.
Start engine.
4.
Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
With GST
Follow the procedure “With CONSULT-III”.
Is “P0705 PNP SW/CIRC” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
Item name
Condition
Display value
P POSITION SW
Selector lever in “P” position
ON
Other than the above position.
OFF
R POSITION SW
Selector lever in “R” position
ON
Other than the above position.
OFF
N POSITION SW
Selector lever in “N” position
ON
Other than the above position.
OFF
D POSITION SW
Selector lever in “D” position
ON
Other than the above position.
OFF
RANGE
Selector lever in “N” or “P” position
N/P
Selector lever in “R” position
R
Selector lever in “D” position
D
DTC
Item
(CONSULT-III screen term)
Malfunction is detected when...
Possible cause
P0705
PNP SW/CIRC
TCM does not receive the cor-
rect voltage signal (based on
the gear position) from the
switch.
• Harness or connectors
(PNP switches circuit is open
or shorted.)
• PNP switch
VEHICLE SPEED
: More than 10 km/h (6 MPH)
ENG SPEED
: More than 450 rpm
ACC PEDAL OPEN
: More than 1.0/8
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