DTC Logic
DTC DETECTION LOGIC
DTC |
Display item |
Malfunction detected condition |
Possible cause |
C1601 | BATTERY VOLT | When a power supply voltage to the EPS control unit is maintained at 18.2 V or more or at less than 9 V continuously for five second or more. |
|
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.DTC REPRODUCTION PROCEDURE
With CONSULT
Is DTC “C1601” detected? YES >> Proceed to diagnosis procedure. Refer to STC-20, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STC-14, "Wiring Diagram".
1.CHECK EPS CONTROL UNIT GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
2.CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (1)
1. Check voltage between EPS control unit harness connector terminals and ground.
CAUTION: Never start the engine.
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (2)
Is the inspection result normal? YES >> Perform the trouble diagnosis for ignition power supply circuit. Refer to PG-4, "Wiring Diagram — Battery Power Supply —".
NO >> Repair or replace malfunctioning parts.
4.CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (3)
CAUTION: Never start the engine.
Is the inspection result normal? YES >> GO TO 6.
NO >> GO TO 5.
5.CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (4)
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit. Refer to PG-4, "Wiring Diagram — Battery Power Supply —".
NO >> Repair or replace malfunctioning parts.
6.CHECK TERMINALS AND HARNESS CONNECTORS
Check the EPS control unit pin terminals for damage or loose connection with harness connector.
Is the inspection result normal? YES >> EPS control unit is malfunctioning. Replace steering column assembly. Refer to STC-36, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
Blower motor
Exploded View
Heating and cooling unit assembly
Blower motor
Screw
Front
Removal and Installation
REMOVAL
Remove glove box assembly. Refer to IP-23, "Removal and Installation".
Disconnect the harness connector from the blower motor.
Remove ...
Precautions on SRS
This SRS section contains important information
concerning the following systems:
Driver and passenger supplemental frontimpact
air bag (NISSAN Advanced Air Bag
System)
Front seat-mounted side-impact supplemental
air bag
Roof-mounted curtain side-impact and rollover
supp ...
P1572 brake pedal position switch
DTC Description
DTC DETECTION LOGIC
NOTE:
This self-diagnosis has the one trip detection logic. When malfunction A is
detected, DTC is not stored
in ECM memory. And in that case, 1st trip DTC and 1st trip freeze frame data are
displayed. 1st trip
DTC is erased when ignition switch OFF. And ...