diagram NISSAN TEANA 2003 Service Manual

DTC P1572 ASCD BRAKE SWITCH
EC-605
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

Wiring Diagram BBS0053R
TBWM1460E

EC-608
[VQ]
DTC P1572 ASCD BRAKE SWITCH

4. DETECT MALFUNCTIONING PART
Check the following.

Fuse block (J/B) connector E201

10A fuse

Harness for open or short between ASCD brake switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 108 and ASCD brake switch terminal 2.
Refer to Wiring Diagram.
4. Also check harness for short to ground or short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E206, M13

Harness for open or short between ECM and ASCD brake switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK ASCD BRAKE SWITCH
Refer to EC-610, "
Component Inspection" .
OK or NG
OK >> GO TO 13.
NG >> Replace ASCD brake switch.Continuity should exist.

DTC P1572 ASCD BRAKE SWITCH
EC-609
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

8. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check voltage between stop lamp switch terminal 3 and ground
with CONSULT -II or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9. DETECT MALFUNCTIONING PART
Check the following.

Fuse block (J/B) connector E201

10A fuse

Harness for open or short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
10. CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 101 and stop lamp switch terminal 4.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 12.
NG >> GO TO 11.
11 . DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E206, M13

Harness for open or short between ECM and stop lamp switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB2469E
Voltage: Battery voltage
PBIB2102E
Continuity should exist.

DTC P1706 PNP SWITCH
EC-615
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

Wiring DiagramBBS00542
A/T MODELS
TBWM1461E

DTC P1706 PNP SWITCH
EC-619
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

3. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors M55, F102

Fuse block (J/B) connector M1

10A fuse

Harness for open or short between PNP switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I
1. Turn ignition switch OFF.
2. Check harness continuity between PNP switch terminal 7 and “unified meter and A/C amp.” terminal 32,
PNP switch terminal 9 and “unified meter and A/C amp.” terminal 33.
Refer to Wiring Diagram.
3. 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 F102, M55

Harness for open or short between PNP switch and “unified meter and A/C amp.”
>> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK PNP SWITCH
Refer to AT- 2 3 0 , "
Park/Neutral Position (PNP) Switch" .
OK or NG
OK >> GO TO 7.
NG >> Replace PNP switch.
7. CHECK INTERMITTENT INCIDENT
Refer to EC-450, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
8. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 102 and “unified meter and A/C amp.” terminal 25.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.Continuity should exist.
Continuity should exist.

DTC P1706 PNP SWITCH
EC-621
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

CVT MODELS
1. CHECK DTC WITH TCM
Refer to CVT-24, "
TROUBLE DIAGNOSIS" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace.
2. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I
1. Turn ignition switch OFF.
2. Disconnect TCM harness connector.
3. Disconnect “unified meter and A/C amp.” harness connector.
4. Check harness continuity between TCM terminal 24 and “unified meter and A/C amp.” terminal 32.
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 M55, F102

Harness for open or short between “unified meter and A/C amp.” and TCM
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 102 and “unified meter and A/C amp.” terminal 25.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK INTERMITTENT INCIDENT
Refer to EC-450, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
OK or NG
OK >> GO TO 6.
NG >> Repair or replace.
6. REPLACE “UNIFIED METER AND A/C AMP.”
Refer to DI-29, "
SELF-DIAGNOSTIC RESULTS" .
>>INSPECTION END Continuity should exist.
Continuity should exist.

DTC P1805 BRAKE SWITCH
EC-627
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

Wiring DiagramBBS00548
TBWM1463E

DTC P1805 BRAKE SWITCH
EC-629
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

3. DETECT MALFUNCTIONING PART
Check the following.

10A fuse

Fuse block (J/B) connector E201

Harness for open and short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 101 and stop lamp switch terminal 4.
Refer to Wiring Diagram.
4. 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 E206, M13

Harness for open or short between ECM and stop lamp switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK STOP LAMP SWITCH
Refer to EC-630, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace stop lamp switch.
7. CHECK INTERMITTENT INCIDENT
Refer to EC-450, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.

DTC P2122, P2123 APP SENSOR
EC-633
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

Wiring DiagramBBS0054F
TBWM0630E

DTC P2122, P2123 APP SENSOR
EC-635
[VQ]
C
D
E
F
G
H
I
J
K
L
MA
EC

2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness
connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 2 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors E206, M13

Harness for open or short between ECM and APP sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK APP SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminal 4 and ECM terminal 82.
Refer to Wiring Diagram.
4. 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 E206, M13

Harness for open or short between ECM and APP sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB2467E
Voltage: Approximately 5V
PBIB2478E
Continuity should exist.