Nissan Maxima Service and Repair Manual: Check cooling fan relay
Description
The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred via the CAN communication line from BCM to ECM via the IPDM E/R.
Component Function Check
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
- Turn ignition switch ON.
- Connect CONSULT and select "DATA MONITOR" mode.
- Select "LOAD SIGNAL" and check indication under the following conditions.
2.CHECK LIGHTING SWITCH FUNCTION
Check "LOAD SIGNAL" indication under the following conditions.
3.CHECK HEATER FAN CONTROL SWITCH FUNCTION
Select "HEATER FAN SW" and check indication under the following conditions.
Diagnosis Procedure
1.INSPECTION START
Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan).
2.CHECK REAR WINDOW DEFOGGER SYSTEM
3.CHECK HEADLAMP SYSTEM
4.CHECK HEATER FAN CONTROL SYSTEM
Cooling fan
Description
The ECM controls the cooling fan corresponding to the vehicle speed, engine
coolant temperature, refrigerant
pressure, and air conditioner ON signal. The control system has 4-step con ...
Electronic controlled engine mount
Description
In the idle range, ECM turns OFF the electronically-controlled engine mount
control solenoid valve and applies
manifold pressure to the electronically controlled engine mount. This de ...
Other materials:
Vehicle Dynamic Control (VDC) system
The VDC system uses various sensors to monitor
driver inputs and vehicle motion. Under certain
driving conditions, the VDC system helps to perform
the following functions:
Controls brake pressure to reduce wheel
slip on one slipping drive wheel so power is
transferred to a non slipping dr ...
Forward Emergency Braking (FEB) (if so equipped)
WARNING
Failure to follow the warnings and instructions
for proper use of the FEB system
could result in serious injury or death.
The FEB system is a supplemental aid
to the driver. It is not a replacement for
the driver's attention to traffic conditions
or responsibility to drive safel ...
Cruise control operations
The cruise control allows driving at a speed between
25 - 89 mph (40 - 144 km/h) without
keeping your foot on the accelerator pedal.
To turn on the cruise control, push the
switch on. The CRUISE indicator light in the
instrument panel will illuminate.
To set cruising speed, accelerate th ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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