Sentra Sedan L4-1597cc 1.6L SOHC (E16S) (1986)
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Fan Switch: All Technical Service Bulletins
A/C Blower Fan System - Inoperative
Models
All Models
Section
Heater & Air Conditioner
Classification
HA87-023
Bulletin No.
TS87-190
Date
December 21, 1987
HEATER-A/C BLOWER FAN SYSTEM TEST PROCEDURES
APPLIED MODELS:
All Nissan models equipped with heater only or heater and manual air conditioning.
SERVICE INFORMATION
In some vehicles, the blower fan for the heater/AC system may become inoperative or it may not operate in all blower speeds. The following test
procedures may be used to diagnose and repair malfunctions in blower fan operation.
SERVICE PROCEDURE
BLOWER FAN CONDITION
PERFORM TESTS
DOES NOT OPERATE
1 and 2
ONLY OPERATES AT HIGHEST SPEED (# 4 POSITION)
DOES NOT OPERATE IN ONE OF THE LOWER SPEED
POSITIONS (1, 2 or 3)
1 and 3
TEST PROCEDURE #1:
