NISSAN TIIDA 2007 Service Repair Manual

EC-1172
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P0571 ASCD BRAKE SWITCH
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between ASCD brake switch harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 6.
NO >> GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following
 Harness connectors M25, M201
 Harness connectors M69, E7
 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.
6.CHECK ASCD BRAKE SWITCH
Refer to EC-1172, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace ASCD brake switch.
7.CHECK BCM
Refer to BCS-17, "
BCM : CONSULT-III Function (BCM - BCM)"–.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair or replace
8.CHECK CAN COMMUNICATION LINE
Refer to LAN-33, "
CAN Communication Signal Chart"–.
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair or replace
9.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000001162641
1.CHECK ASCD BRAKE SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect ASCD brake switch harness connector.
3. Check the continuity between ASCD brake switch terminals under the following conditions.
Is the inspection result normal?
ASCD brake switch ECM
Continuity
Connector Terminal Connector Terminal
E36 (LHD models)
M205 (RHD models)2 E16 116 Existed
Terminals Condition Continuity
1 and 2
(ASCD brake switch)Brake pedalFully released Existed
Slightly depressed Not existed

P0571 ASCD BRAKE SWITCH
EC-1173
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YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK ASCD BRAKE SWITCH-II
1. Adjust ASCD brake switch installation. Refer to BR-6, "
Inspection and Adjustment".
2. Check the continuity between ASCD brake switch terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace ASCD brake switch.
Terminals Condition Continuity
1 and 2
(ASCD brake switch)Brake pedalFully released Existed
Slightly depressed Not existed

EC-1174
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P0575 ASCD STEERING SWITCH
P0575 ASCD STEERING SWITCH
DescriptionINFOID:0000000001162642
ASCD steering switch has variant values of electrical resistance for each button. ECM reads voltage variation
of switch, and determines which button is operated.
DTC LogicINFOID:0000000001162643
DTC DETECTION LOGIC
NOTE:
Special note:
If the DTC is present, the cruise control/speed limiter function will be inhibited.
Diagnosis ProcedureINFOID:0000000001162644
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground inspection in GI-58, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK ASCD SWITCH CIRCUIT
1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 8.
NO >> GO TO 3.
3.CHECK ASCD SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ASCD switch harness connector.
3. Turn ignition switch ON.
4. Check the voltage between ASCD switch harness connector and ground.
YES >> GO TO 5.
NO >> GO TO 4.
4.DETECT MALFUNCTIONING PART
DTC No. Trouble diagnosis name Possible cause
P0575CRUISE CONTROL/SPEED LIMITER FUNCTION
 1.DEF: Values outside the levels
 CC.1: Short circuit to +12V
 2.DEF: Signal outside upper level Harness or connectors
(ASCD steering switch circuit is open or shorted)
 ASCD steering switch
 Combination switch
+–
Condition Voltage
Connector Terminal Connector Terminal
E1698
(ASCD switch signal)E16 128ASCD switch: ON Battery voltage
ASCD switch: OFF 0V
ASCD switch
Ground Voltage
Connector Terminal
M81 6 Ground Battery voltage

P0575 ASCD STEERING SWITCH
EC-1175
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Check the following.
 10A fuse (No.2)
 Harness for open or short between ASCD switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK ASCD SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between ASCD switch harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 7.
NO >> GO TO 6.
6.DETECT MALFUNCTIONING PART
Check the following.
 Harness connectors M69, E7
 Harness for open or short between ECM and ASCD switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
7.CHECK ASCD SWITCH
Refer to EC-1176, "
Component Inspection (ASCD Switch)".
Is the inspection result normal?
YES >> GO TO 13.
NO >> Replace ASCD switch.
8.CHECK ASCD STEERING SWITCH CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect combination switch harness connector.
3. Disconnect ECM harness connector.
4. Check the continuity between combination switch harness connector and ECM harness connector.
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 9.
9.DETECT MALFUNCTIONING PART
 Harness connectors M69, E7
 Combination switch (spiral cable)
 Harness for open or short between ECM and combination switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
10.CHECK ASCD STEERING SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between combination switch harness connector and ECM harness connector.
ASCD switch ECM
Continuity
Connector Terminal Connector Terminal
M81 5 E16 98 Existed
Combination switch ECM
Continuity
Connector Terminal Connector Terminal
M 3 1 1 5 E 1 6 111 E x i s t e d

EC-1176
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P0575 ASCD STEERING SWITCH
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 12.
NO >> GO TO 11.
11 .DETECT MALFUNCTIONING PART
 Harness connectors M69, E7
 Combination switch (spiral cable)
 Harness for open or short between ECM and combination switch
>> Repair open circuit or short to ground or short to power in harness or connectors.
12.CHECK ASCD STEERING SWITCH
Refer to EC-1176, "
Component Inspection (ASCD Steering Switch)".
Is the inspection result normal?
YES >> GO TO 13.
NO >> Replace ASCD steering switch.
13.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTION END
Component Inspection (ASCD Switch)INFOID:0000000001603813
1.CHECK ASCD SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect ASCD switch harness connector.
3. Check the continuity between ASCD switch terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace ASCD switch.
Component Inspection (ASCD Steering Switch)INFOID:0000000001162645
1.CHECK ASCD STEERING SWITCH
1. Disconnect combination switch (spiral cable) harness connector M31.
2. Check the continuity between combination switch harness connector terminals under following conditions.
Combination switch ECM
Continuity
Connector Terminal Connector Terminal
M31 14 E16 110 Existed
Terminals Condition Continuity
5 and 6ASCD switch ON Existed
ASCD switch OFF Not existed
Combination meter
Condition Resistance
Connector Terminals
M3114 and 15
(Combination switch)CANCEL switch Approx. 0 Ω
SET – switch Approx. 100 Ω
SET + switch Approx. 274 Ω
RESUME switch Approx. 910 Ω

P0575 ASCD STEERING SWITCH
EC-1177
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Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace ASCD steering switch.

EC-1178
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P0606 ECM
P0606 ECM
DescriptionINFOID:0000000001162646
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The ECM controls the engine.
DTC LogicINFOID:0000000001162647
DTC DETECTION LOGIC
NOTE:
If DTC P0606 is displayed with other DTC, first perform the trouble diagnosis for other DTC.
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present after an attempted start, or with the engine running.
If the DTC is present:
-Malfunction indicator (Red) lights up.
-Malfunction indicator (Yellow) lights up.
Diagnosis ProcedureINFOID:0000000001162648
1.CHECK DTC
Make sure that which malfunction (DTC second line indication) is displayed.
A or B
A>>GO TO 2.
B>>GO TO 3.
2.REPLACE ECM
1. Perform EC-1054, "
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair
Requirement".
2. Perform EC-1055, "
EGR VOLUME CONTROL VALVE CLOSED POSITION LEARNING : Special Repair
Requirement".
>>INSPECTION END
3.CHECK CAN COMMUNICATION LINE
Refer to LAN-33, "
CAN Communication Signal Chart".
OK or NG
OK >> GO TO 4.
NG >> Repair or replace.
4.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
MBIB1517E
DTC No. Trouble diagnosis name Possible cause
P0606ECM
 1.DEF to 20.DEF: Internal electric malfunctionECM
AExcept 9.DEFF
B9.DEF

P0606 ECM
EC-1179
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Refer to BRC-25, "CONSULT-III Function (ABS)" (without ESP) or BRC-105, "CONSULT-III Function (ABS)"
(with ESP).
OK or NG
OK >> GO TO 5.
NG >> Repair or replace.
5.REPLACE ECM
1. Perform EC-1054, "
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair
Requirement".
2. Perform EC-1055, "
EGR VOLUME CONTROL VALVE CLOSED POSITION LEARNING : Special Repair
Requirement".
>>INSPECTION END

EC-1180
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P0641 SENSOR POWER SUPPLY
P0641 SENSOR POWER SUPPLY
DTC LogicINFOID:0000000001162649
DTC DETECTION LOGIC
NOTE:
If DTC P0641 is displayed with DTC P0100, P0101, P0110, P0190, P0225, P0409, P0530, P2120, first
perform trouble diagnosis for DTC P0641.
-Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present after the ignition has been switched on.
-If the DTC is present:
-Malfunction indicator (Red) lights up.
Diagnosis ProcedureINFOID:0000000001162650
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in GI-58, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK ACCELERATOR PEDAL POSITION SENSOR 2 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK SENSOR POWER SUPPLY CIRCUITS
Check harness for short to power and short to ground, between the following terminals.
DTC No. Trouble diagnosis name Possible cause
P0641SENSOR POWER SUPPLY CIRCUIT
 1.DEF: Signal outside lower level
 2.DEF: Signal outside upper level Harness or connectors
(The APP sensor 2 power supply circuit is shorted.)
(Fuel rail pressure sensor circuit is shorted.)
(EGR volume control valve control position sensor circuit
is shorted.)
(Mass air flow sensor circuit is shorted.)
(Refrigerant pressure sensor circuit is shorted.)
 Accelerator pedal position sensor
(APP sensor 2)
 Fuel rail pressure sensor
 EGR volume control valve control position sensor
 Mass air flow sensor
 Refrigerant pressure sensor
APP sensor
Ground Voltage
Connector Terminal
E12 (LHD models)
M204 (RHD models)5 Ground Approx. 5V

P0641 SENSOR POWER SUPPLY
EC-1181
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Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair short to ground or short to power in harness or connectors.
4.CHECK SENSOR GROUND CIRCUITS
Check harness for short to power and short to ground, between the following terminals.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair short to ground or short to power in harness or connectors.
5.CHECK COMPONENTS
Check the following.
 Refrigerant pressure sensor (Refer to EC-1166, "
Diagnosis Procedure".)
 EGR volume control valve (EGR volume control valve control position sensor) (Refer to EC-1158, "
Diagno-
sis Procedure".)
 Fuel rail pressure sensor (Refer to EC-1139, "
Component Inspection".)
 Mass air flow sensor (Refer to EC-1125, "
Component Inspection".)
Is the inspection result normal?
YES >> GO TO 6.
NO >> Replace malfunctioning component.
6.CHECK APP SENSOR
Refer to EC-1146, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace APP sensor.
7.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTION END
ECM Sensor
Connector Terminal Name Connector Terminal
E16 118 APP sensorE12 (LHD models)
M204 (RHD models)5
F1189 Refrigerant pressure sensor E17 3
85EGR volume control valve (EGR volume control valve con-
trol position sensor)F52 1
F1020 Fuel rail pressure sensor F51 3
28 Mass air flow sensor F31 5
ECM Sensor
Connector Terminal Name Connector Terminal
E16 120 APP sensorE12 (LHD models)
M204 (RHD models)1
F1174 Refrigerant pressure sensor E17 1
82EGR volume control valve (EGR volume control valve control
position sensor)F52 3
F1015 Fuel rail pressure sensor F51 2
30 Mass air flow sensor F31 2