LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2017 >> Maxima S >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P1078,: P1084 EVT Control Position Sensor >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

An excessively high or low voltage from the sensor is sent to ECM.

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P1078 EXH TIM SEN/CIRC-B1
[Exhaust valve timing (EVT) control position sensor (bank 1) circuit]
Diagnosis condition Start engine and let it idle
Signal (terminal) Voltage signal transmitted from EVT control position sensor to ECM
Threshold An excessively high or low voltage from the sensor is sent to ECM
Diagnosis delay time -
P1084 EXH TIM SEN/CIRC-B2
[Exhaust valve timing (EVT) control position sensor (bank 2) circuit]
Diagnosis condition Start engine and let it idle
Signal (terminal) Voltage signal transmitted from EVT control position sensor to ECM
Threshold An excessively high or low voltage from the sensor is sent to ECM
Diagnosis delay time -