Possible causes – Faulty Radiator Coolant Temperature Sensor– Radiator Coolant Temperature Sensor harness is open or shorted– Radiator Coolant Temperature Sensor circuit poor electrical connection When is the code detected? Malfunction is detected when an excessively high or low voltage

Possible causes – Faulty Secondary Throttle Position Sensor– Secondary Throttle Position Sensor harness is open or shorted– Secondary Throttle Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Faulty Step Motor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1778 NISSAN Description The step motor’s 4 aspects of ON/OFF change according to the signal from Transmission Control Module (TCM). As a result,

Possible causes – Faulty Swirl Control Valve Control Position Sensor– Swirl Control Valve Control Position Sensor harness is open or shorted– Swirl Control Valve Control Position Sensor circuit poor electrical connection– Faulty Swirl Control Valve When is the code detected?

Possible causes – Faulty Swirl Control Valve Control Position Sensor– Swirl Control Valve Control Position Sensor harness is open or shorted– Swirl Control Valve Control Position Sensor circuit poor electrical connection– Faulty Swirl Control Valve When is the code detected?

Possible causes – Faulty Swirl control valve control solenoid valve– Swirl control valve control solenoid valve circuit is open or shorted– Swirl control valve circuit is open or shorted– Faulty swirl control valve– Faulty Swirl control valve actuator When is

Possible causes – Faulty Swirl Control Valve– Swirl Control Valve harness is open or shorted– Swirl Control Valve circuit poor electrical connection When is the code detected? An improper voltage signal is sent to Engine Control Module (ECM). Symptoms –

Possible causes – Faulty Swirl control valve control solenoid valve– Swirl control valve control solenoid valve circuit is open or shorted– Swirl control valve circuit is open or shorted– Faulty swirl control valve– Faulty Swirl control valve actuator When is

Possible causes – Faulty The EGRC-solenoid valve– The EGRC-solenoid valve harness is open or shorted– The EGRC-solenoid valve electrical circuit poor connection Tech notes Check hoses connector at the EGR solenoid valve or clogged EGR valve system. When is the

Possible causes – Faulty Throttle Actuator Control Actuator (Throttle Control Motor)– Throttle Actuator Control Actuator harness is open or shorted– Throttle Actuator Control Actuator circuit poor electrical connection When is the code detected? Engine Control Module (ECM) detects short in

Possible causes – Faulty Throttle Control Motor Relay– Throttle Control Motor Relay harness is short– Throttle Control Motor Relay circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2103 NISSAN Description Power supply for

Possible causes – Faulty Throttle Control Motor– Throttle Control Motor harness is open or shorted– Throttle Control Motor circuit poor electrical connection When is the code detected? Engine Control Module (ECM) detects short both circuits between ECM and throttle control

Possible causes – Faulty Transmission Control Module (TCM)– Transmission Control Module (TCM) harness is open or shorted– Transmission Control Module (TCM) circuit poor electrical connection Tech notes There is a service bulletin for a various Nissan Models with the RE5R05A

Possible causes – Faulty Transmission Control Module (TCM)– Transmission Control Module (TCM) harness is open or shorted– Transmission Control Module (TCM) circuit poor electrical connection Tech notes There is a service bulletin for a various Nissan Models with the RE5R05A

Possible causes – Faulty Turbine Revolution Sensor 1, 2– Turbine Revolution Sensor harness is open or shorted– Turbine Revolution Sensor circuit poor electrical connection Tech notes On most newer Nissan models the Turbine Revolution Sensor is part of the transmission

Possible causes – Faulty Vacuum Cut Valve Bypass Valve– Clogged vacuum hoses to the Vacuum Cut Valve Bypass Valve– Vacuum cut valve bypass valve harness is open or shorted– Vacuum cut valve bypass valve electrical circuit poor connection Tech notes

Possible causes – Faulty
VIAS control solenoid valve– VIAS control solenoid valve circuit harness is open or shorted– VIAS control solenoid valve circuit poor electrical connection When is the code detected? The VIAS control solenoid valve cuts the intake manifold

Possible causes – Faulty
VIAS control solenoid valve– VIAS control solenoid valve circuit harness is open or shorted– VIAS control solenoid valve circuit poor electrical connection When is the code detected? The VIAS control solenoid valve cuts the intake manifold

Possible causes – Faulty
VIAS control solenoid valve– VIAS control solenoid valve circuit harness is open or shorted– VIAS control solenoid valve circuit poor electrical connection When is the code detected? The VIAS control solenoid valve cuts the intake manifold

Possible causes – Faulty VVEL Actuator Motor Relay– VVEL Actuator Motor Relay harness is open or shorted– VVEL Actuator Motor Relay circuit poor electrical connection– Faulty VVEL Control Module– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or