Defroster - Poor Performance Explanation

87nissan09

Models All Models

Section Heater & Air Conditioner

Classification HA87-004

Bulletin No. TS87-036

Date February 27, 1987
DEFROSTER PERFORMANCE


APPLIED MODELS: All Models

SERVICE INFORMATION

If a customer complains about poor defroster performance, use the following information to instruct the customer for optimum defroster performance.



Manual Systems
1. Set the air intake lever to the fresh position.

2. Set the air control lever to the defrost (DEF) position.

3. Turn on the fan control lever (# 4 position for quick defrost).

4. Set the temperature control lever to the middle through the "HOT" position.

5. If vehicle is equipped with air conditioning, push the A/C switch "ON".



Automatic Systems

A. Maxima:
1. Push the defrost (DEF) switch on.

2. Move the temperature set lever to the desired position.

3. Push the "HI" fan control switch for quick defrost.

4. Do not push the "REC" switch. The "REC" switch will not be activated when system is in the "DEF" mode.



B. 300ZX:
1. Push the "DEMIST-DEF" switch to the "DEF" mode. The temperature will automatically shift to full hot, the "SET" display will show 90~F and the fan speed will automatically switch to "HI". If less air flow is desired, push the "LOW" fan control switch.

2. Do not push the "REC" switch. The "REC" switch will not be activated when the system is in the "DEF" mode.

NOTE: Use the manual "DEF" switch only if the air conditioner is malfunctioning. When the manual "DEF" switch is pushed, the defroster operates in the full hot, high fan speed mode and all other controls are deactivated. Push the manual "DEF" switch again to activate the other controls.