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:
B2562 Low voltage
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. DTC CONFIRMATION
Erase DTC.
Turn ignition switch OFF.
Perform the "SELF-DIAG RESULTS" of BCM with CONSULT, after the
ignition switch has been turned ON
for 1.5 seconds or more.
Diagnosis Procedure
1. CHECK ...
Explanation of scheduled maintenance items
The following descriptions are provided to give
you a better understanding of the scheduled
maintenance items that should be regularly
checked or replaced. The maintenance schedule
indicates at which mileage/time intervals each
item requires service.
In addition to scheduled maintenance, you ...
DTC/circuit diagnosis
CHARGING SYSTEM PRELIMINARY INSPECTION
Diagnosis Procedure
1.CHECK BATTERY TERMINALS CONNECTION
Check if battery terminals are clean and tight
2.CHECK FUSE
Check for blown fuse and fusible link.
3.CHECK GENERATOR GROUND TERMINAL CONNECTION
Check if connector E230 terminal 5 (generator groun ...
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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