Nissan Sentra Service Manual: Defogger system symptoms

Symptom diagnosis

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Rear window defogger and door mirror defoggers do not operate

Diagnosis procedure Regarding Wiring Diagram information, refer to DEF-20, "Wiring Diagram". 1. Check rear window defogger switch Check rear window defogger switch. Refer to def-30, &q ...

Other materials:

Keyfob (if so equipped)
Replace the battery in the keyfob as follows: Remove the screw A . Insert a small screwdriver into the slit of the corner B and twist it to separate the upper part from the lower part. Use a cloth to protect the casing. Replace the battery with a new one. Do not touch the int ...

P0643 Sensor power supply
Description ECM supplies a voltage of 5.0 V to some of the sensors systematically divided into 2 groups, respectively. Accordingly, when a short circuit develops in a sensor power source, a malfunction may occur simultaneously in the sensors belonging to the same group as the shorted-circui ...

P1715 Input speed sensor
Description ECM receives input speed sensor signal from TCM through CAN communication line. ECM uses this signal for engine control. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P1715 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. If DTC P1715 is displa ...