B1598 Nissan Sunny OBD Code

OBD/2 B1598 error code description and symptoms.

Variable Cam Timing Over-advanced (Bank 1) The comprehensive component monitor (CCM) monitors the VCT position for an over-advanced camshaft timing.
The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. Cam timing improperly set No oil flow to the VCT piston chamber Low oil pressure VCT solenoid valve stuck closed Camshaft advance mechanism binding (VCT unit) B1598 DTC is a check of the VCT unit.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

B1598 Nissan Sunny Error Code Repair Process :

The scent may B1598 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such B1598, so if the inside of your car b1598 drivers seat seatback autoglide rearward switch circuit short to ground as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Nissan Sunny B1598 OBD2 Code

A common cause of code B1598 is the failure of B1598 Drivers Seat Seatback Autoglide Rearward Switch Circuit Short to Ground, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty Mass Air Flow (MAF) sensor
Ignition misfiring
Oil flow restriction in the oil passages or the VCT valve body

B1598 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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B1598 Nissan Sunny OBD Code

B1598 Nissan Sunny Error Code Repair Process :

Common Causes of Nissan Sunny B1598 OBD2 Code

B1598 code for other Nissan cars