Nissan Sentra Service Manual: Control Units and Electrical Parts

Nissan Sentra Service Manual / General information / Basic inspection / Service information for electrical incident / Control Units and Electrical Parts

PRECAUTIONS

Never reverse polarity of battery terminals.
Install only parts specified for a vehicle.
Before replacing the control unit, check the input and output and functions of the component parts.
Do not apply excessive force when disconnecting a connector.

Do not apply excessive shock to the control unit by dropping or hitting it.
Be careful to prevent condensation in the control unit due to rapid temperature changes and do not let water or rain get on it. If water is found in the control unit, dry it fully and then install it in the vehicle.
Be careful not to let oil to get on the control unit connector.
Avoid cleaning the control unit with volatile oil.
Do not disassemble the control unit, and do not remove the upper and lower covers.

When using a DMM, be careful not to let test probes get close to each other to prevent the power transistor in the control unit from damaging battery voltage because of short circuiting.
When checking input and output signals of the control unit, use the specified check adapter.

Work Flow

STEP DESCRIPTION STEP 1 Get detailed information about the conditions and the environment when the incident occurred. The following are key pieces of information requi ...

How to Check Terminal

CONNECTOR AND TERMINAL PIN KIT Use the connector and terminal pin kits listed below when replacing connectors or terminals. The connector and terminal pin kits contain some of the most common ...

Other materials:

Transaxle side
TRANSAXLE SIDE : Removal and Installation Remove boot after drive shaft is removed from the vehicle. For drive shaft removal and installation, follow the instructions bellow. 6M/T: Refer to FAX-18, "6M/T : Removal and Installation (LH)". Except 6M/T: Refer to FAX-26, "EXCEPT ...

System
System Description Operation description A/C control transmits rear window defogger switch signal to A/C auto amp. when rear window defogger switch turns ON while ignition switch is ON. A/C auto amp. transmits rear window defogger switch signal to BCM Bcm transmits rear window defogg ...

Strg branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the steering angle sensor for damage, bend and loose connection (unit side and connector side). Is the inspection result ...