DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P2100 | ETC MOT PWR-B1 (Throttle actuator ″A″ control motor circuit/ open) | ECM detects a voltage of power source for throttle control motor is excessively low. |
P2103 | ETC MOT PWR-B1 (Throttle actuator ″A″ control motor circuit high) | ECM detect the throttle control motor relay is stuck ON. |
POSSIBLE CAUSE
DTC P2100
DTC P2103
FAIL-SAFE
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx.
5 degrees) by the return spring.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 8 V.
Witch DTC is detected? P2100 >> GO TO 2.
P2103 >> GO TO 3.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2100
Is DTC detected? YES >> Proceed to EC-431, "Diagnosis Procedure".
NO >> INSPECTION END
3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2103
Is DTC detected? YES >> Proceed to EC-431, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL
Check the voltage between ECM harness connector and ground as per the following conditions.
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace error-detected parts.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
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 ...
P0078 EVT control solenoid valve
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condit
P0078
EX V/T ACT/CIRC-B1
(Exhaust valve control solenoid circuit bank
1)
An improper voltage is sent to the ECM through exhaust valve timing
co ...
C1197 vacuum sensor
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1197
VACUUM SENSOR
When a malfunction is detected in vacuum sensor.
Harness or connector
Vacuum sensor (brake booster)
Vacuum piping
&nb ...