Nissan Diagnosis Of Poor Acceleration Or Lack Of Power
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Nissan Diagnosis Of Poor Acceleration Or Lack Of Power

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Models: All Nissan vehicles with an electric throttle chamber

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Complaint: Customer describes lack of power or poor acceleration.

Solution: Perform the following checks before attempting any repair:

• Check for stored DTCs.

• Check if the driver is resting his left foot on the brake pedal while accelerating. Advise the customer not to rest his foot on the brake while accelerating.

• Use a scan tool to check operation of the brake lamp circuit signal. Monitor the brake switch during the incident; it should be “OFF.”

Causes of brake switch “ON:”

• Brake switch incorrectly adjusted (switch is adjusted ON when it should be OFF).

• Damaged brake lamp wiring/circuit (damage causes signal to ECU to show ON when it should be OFF).

Note: Refer to the service information for correct brake switch adjustment and/or circuit diagnosis as applicable.

Courtesy of ALLDATA.

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Brake & Front End