Nissan Altima 2007-2012 Service Manual: Component diagnosis

On board diagnostic (OBD) system
Trouble Diagnosis Introduction CAUTION: • Do not use electrical test equipment on any circuit related to the SRS unless instructed to do so in this Service Manual. SRS wiring harnesses can be i ...

B1049 – B1052, B1054 – B1057 driver airbag module
Description DTC B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE The driver air bag module is dual stage and wired to the air bag diagnosis sensor unit through the spiral cable. The air ba ...

Other materials:

BCM branch line circuit
Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side). Is the inspec ...

Front tweeter (coupe)
Description The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the front tweeters using the audio signal circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect BOSE speaker amp. connector B122 and suspec ...

Controls
Fan control dial The fan control dial turns the fan on and off, and controls fan speed. Air flow control buttons The air flow control buttons allow you to select the air flow outlets. MAX A/C -  Air flows from center and side vents with maximum cooling. - Air flows from center and s ...