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:
Both side headlamps (LO) are not turned on
Description
The headlamps (both sides) do not turn ON in any lighting switch setting.
Diagnosis Procedure
1.CHECK COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH)
Check the combination switch (lighting and turn signal switch
2.CHECK HEADLAMP (LO) REQUEST SIGNAL INPUT
CONSULT DATA MONITOR
...
U1310 AV control unit
Description
Part name
Description
AV CONTROL UNIT
It is the master unit of the MULTI AV system and it is connected
to each control unit by means of communication. It operates each
system according to communication signals from the AV contro ...
B2130 eeprom
DTC Logic
DTC DETECTION LOGIC
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2130
EEPROM
Driver seat control unit detected CPU malfunction
Driver seat control unit
DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATI ...
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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