Question about 2002 Volvo S40

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SERVICE LAMP vec/service lamp indicating.

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What does it say

Posted on Aug 26, 2008


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The service lamp indicates an oil change. To reset it hold the tripmeter button and turn the key to acc. while holding it will then start to flash and your done.

Posted on Dec 10, 2008

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How can I tell whether the transfer case control module is defective and needs to be replaced?


Need to have it check for DTC'S - diagnostic trouble codes , see if a scan tool will communicate with it , see if it will show data PID'S .
SERVICE indicator (4WD/AWD) Lamp
The SERVICE indicator (4WD/AWD) lamp is an integral part of the cluster and cannot be serviced separately. This lamp is used to inform the driver of the vehicle of malfunctions within the automatic transfer case (ATC) system. The SERVICE indicator (4WD/AWD) lamp is controlled by the transfer case shift control module via CKT 1567.

Is your service indicator lamp lit ?
which of these does your jimmy have
Transfer Case - NVG 233-NP1 (Two Speed Selectable)
Transfer Case - NVG 236 (Two Speed Automatic)

Mar 20, 2016 | 1999 GMC Jimmy

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What is malfunction indicator lamp on 03 mercury sable


Malfunction indicator ,check engine lamp . service vehicle soon etc.. Trouble Codes Check Engine Light On

Oct 23, 2015 | Mercury Cars & Trucks

1 Answer

Push button for four wheel drive isn't working


Do you have any lights on the dash lit ?
SERVICE indicator (4WD/AWD) Lamp
The SERVICE indicator (4WD/AWD) lamp is an integral part of the cluster and cannot be serviced separately. This lamp is used to inform the driver of the vehicle of malfunctions within the automatic transfer case (ATC) system. The SERVICE indicator (4WD/AWD) lamp is controlled by the transfer case shift control module via CKT 1567. this system will set DTC'S if there is a problem .
Diagnostic Trouble Codes DTC B2725 ATC Mode Switch Circuit Malfunction DTC C0300 Rear Speed Sensor Malfunction DTC C0305 Front Speed Sensor Malfunction DTC C0308 Motor A/B Circuit Low DTC C0309 Motor A/B Circuit High DTC C0310 Motor A/B Circuit Open DTC C0315 Motor Ground Circuit Open DTC C0323 T-Case Lock Circuit Low DTC C0324 T-Case Lock Circuit High DTC C0327 Encoder Circuit Malfunction DTC C0367 Front Axle Control Circuit High DTC C0374 General System Malfunction DTC C0376 Front/Rear Shaft Speed Mismatch DTC C0387 Unable to Perform Shift DTC C0550 ECU Malfunction DTC C0611 VIN Information Error you probably should take this to a repair shop !

This tt

Feb 22, 2015 | 1999 Chevrolet Silverado 1500

2 Answers

Where is the emergency flasher relay located on 2013 Rogue?


Here is what the service manual says. Looks like it is not a flasher relay but a function of the body control module.

TURN SIGNAL AND HAZARD WARNING LAMP SYSTEMSystem Description OUTLINE Turn signal lamp and the hazard warning lamp is controlled by combination switch reading function and the flasher control function of BCM.
TURN SIGNAL LAMP OPERATION - BCM detects the combination switch condition by the combination switch reading function. - BCM supplies voltage to the right (left) turn signal lamp circuit when the ignition switch is turned ON and the turn signal switch is in the right (left) position. BCM blinks the turn signal lamp.
HAZARD WARNING LAMP OPERATION BCM supplies voltage to both turn signal lamp circuit when the hazard switch is turned ON. BCM blinks the hazard warning lamp.
TURN SIGNAL INDICATOR LAMP AND TURN SIGNAL SOUND OPERATION - BCM transmits the turn indicator signal to the combination meter with CAN communication while the turn signal lamp and the hazard warning lamp are operating. - Combination meter outputs the turn signal sound with the integrated buzzer while blinking the turn signal indicator lamp according to the turn indicator signal.
HIGH FLASHER OPERATION (FAIL-SAFE) - BCM detects the turn signal lamp circuit status by the terminal current value. - BCM increases the turn signal lamp blinking speed if the bulb or harness open is detected with the turn signal lamp operating. NOTE: The blinking speed is normal while operating the hazard warning lamp.

Oct 13, 2014 | 2013 Nissan Rogue

1 Answer

1994 legend speedometer works once in a while


92 or 94?
is fuse 22 loose?
did the CEL lamp in dash glow at this FAILURE event
or S, D or D4 auto tranny lamps flash? BINGO,

did you look for ECU/PCM errors first.? that be first .
is the odometer dead? too, at same time?
on this car the VSS module (veh.speed sensor)
sends the speed data to 6 other modules. the speedometer is 1.
so of the other 5 are dead, its the VSS dead, if not its a bad speedometer.
on of those modules is the PCM, that runs the EFI engine.
so scan it, on this old car, you insert the diagnostic jumper
(service check conn.)
and read the flash codes from the CEL lamp in the dash.
this will show 17 error, VSS bad. if bad (its bad or bad conn)
easy huh?

log in to alldata.com and read the how to read OBD1 codes
it will be something like this. (photos missing)
When a fault is noted, the ECU (otherwise known as the ECM) stores an identifying code and illuminates the CHECK ENGINE light. The code will remain in memory until cleared; the dashboard warning lamp may not illuminate during the next ignition cycle if the fault is no longer present. Not all faults noted by the ECU will trigger the dashboard warning lamp although the fault code will be set in memory. For this reason, troubleshooting should be based on the presence of stored codes, not the illumination of the warning lamp while the car is operating.
All models are equipped with a service connector in side the cabin of the vehicle. If the service connector is jumped, the CHECK ENGINE lamp will display the stored codes in the same fashion.
The 2-pin service connector is located under the extreme right dashboard on Integra, Legend & 2.5TL; on Vigor models, it is found behind the right side of the center console well under the dashboard.
Codes 1-9 are indicated by a series of short flashes; two-digit codes use a number of long flashes for the first digit followed by the appropriate number of short flashes. For example, Code 43 would be indicated by 4 long flashes followed by 3 short flashes. Codes are separated by a longer pause between transaxles. The position of the codes during output can be helpful in diagnostic work. Multiple codes transmitted in isolated order indicate unique occurrences; a display of showing 1-1-1-pause-9-9-9 indicates two problems or problems occurring at different times. An alternating display, such as 1-9-1-9-1, indicates simultaneous occurrences of the faults.
When counting flashes to determine codes, a code not valid for the vehicle may be found. In this case, first recount the flashes to confirm an accurate count. If necessary, turn the ignition switch OFF, then recycle the system and begin the count again. If the Code is not valid for the vehicle, the ECU must be replaced.
and this warning
On vehicles with automatic transaxles, the S, D or D4 lamp may flash with the CHECK ENGINE lamp if certain codes are stored. For Legend this may occur with Codes 6, 7 or 17. On Vigor and Integra it may occur with codes 6, 7 or 13. In addition, the TCS lamp on NSX may flash with codes 3, 5, 6,13,15,16,17, 35 or 36. In all cases, proceed with the diagnosis based on the engine code shown. After repairs, recheck the lamp. If the additional warning lamp is still lit, proceed with diagnosis for that system.

Sep 19, 2013 | 1992 Acura Legend

1 Answer

Service 4wd bad accelerator


Hi there:
The FDCM has a code, and for me to be able to correctly diagnose your vehicle..You will need to get that code retrieved by a scantool.\.

The service 4WD indicator gives an indication to the vehicle operator when the Final Drive Control Module (FDCM) has recorded a Diagnostic Trouble Code (DTC) for an electronic transfer case circuit or component malfunction. This indicator is controlled by the instrument cluster logic circuit based upon cluster programming and electronic messages received by the cluster from the FDCM over the Controller Area Network (CAN) data bus.

The service 4WD indicator function of the reconfigurable dot matrix Organic Light Emitting Diode (OLED) display unit is completely controlled by the instrument cluster logic circuit, and that logic will only allow this indicator to operate when the instrument cluster receives a battery current input on the fused ignition switch output (run-start) circuit. Therefore, the OLED service 4WD indication will always be OFF when the ignition switch is in any position except ON or START. The instrument cluster will turn ON the service 4WD indicator for the following reasons:

Service 4WD Indicator Lamp-On Message - Each time the cluster receives an electronic service 4WD indicator lamp-ON message from the FDCM, the service 4WD indicator will be illuminated. The indicator remains illuminated for about five seconds, until the cluster receives a lamp-OFF message from the FDCM, until the cluster arbitrator logic determines that another display request has priority, or until the ignition switch is turned to the OFF position, whichever occurs first.

The FDCM continually monitors the electronic transfer case control circuits and transfer case shift motor/mode sensor assembly to determine the condition of the system. The FDCM then sends the proper lamp-ON or lamp-OFF message to the instrument cluster, also known as the Cab Compartment Node (CCN).

For proper diagnosis of the FDCM, the CCN, the CAN data bus or the electronic communication related to service 4WD indicator operation a diagnostic scan tool is required. Refer to the appropriate diagnostic information.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

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1 Answer

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The fuse number is

#16 - 5 Amp (Tan)

Gauges & Indicator Lights: Low Oil Light, Low Washer Light, Service Reminder Light, Transmission Oil Light, Brake Warning Light, Anti-Lock Brake Warning Light, Fuel Pacer Light, 4WD Indicator Light, Malfunction Indicator Light, Warning Buzzer, Overdrive Switch (1992-93); Transmission Oil Temperature Lamp, 4WD Lamp, Overdrive Module Seat Belt Warning Buzzer
(1994-95).

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1 Answer

I have mazda6 2005 car , service engine lamp glow


the problem is solved partly, the lamp indication of engime service in front panel is gone OFF , what i do is : i take off the battery head for five minutes and the return it then the lamp goes OFF, but till i feel that the engine not work correctly because of vibration in engine ( not continuoes), i check nozels and fire ignitions they are correct in work , till i want help to solve the engine vibration. thanks

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1 Answer

318i service light


a simple auto indicator lamp you can bay on market will be excellent

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