Newbie 2019 S-Mode not working, tried everything
 

Morning,

I did my research before posting this thread, I'm stuck at this point. I'll keep this short (hopefully).

Just purchased my yellow '19 MT, had some issues with some cluster functions not operating properly, dealer diagnosed as bad cluster. I searched the forum and came to the conclusion it was actually the fuse/switch used for shipping. I replaced the fuse (was bad), the cluster came to life.

Now, the S-Mode still isn't working, tried below so far.
1. Cruise Control works, so clutch is ruled out?
2. Did ECU reset
3. Pulled the shifter surround, switch is connected
4. Tried moving moving things around under surround, to get switch to to work
5. The Hazards are working, though the button doesn't flash (not sure it's supposed too)

Could this be related to the shipping fuse/switch? I didn't re-install the shipping switch after putting new fuse in, should I?

or

Do I need a new S-Mode switch?

Thank you!

This may be a silly suggestion. Are you holding the button down long enough? It's not instant. There is no "clicking" to switch.

Yup, you got to hold the button down. S mode will light up. The button doesn't click down. You hold it until it lights up on the dash.

Not a silly question, didn't know this. Unfortunately, just tried, still doesn't light up. I better update my original post to reflect this.

I believe it must be something simple.

1. Does my key need to be in the port? Will try shortly.
2. Is there a fuse for S-Mode?

Thank you!

Key doesn't have to be in the port.

Curious...seems like you've just bought this car a few days ago...you bought it knowing the cluster and S mode wasn't working? Or were you lied to?

This is on me, no blame on anyone. I was working on this deal for a week. I took a gamble with the cluster issue, I suspected it was a simple fix. They were going to replace the cluster, but I offered to handle if they discounted the car an additional $1500, they did, I won on that portion. I didn't realize S-Mode wasn't working til' the drive home. The car only has 2400 miles, I gambled there shouldn't be any major issues. I researched the VIN upside down and sideways, no red flags, went through the car myself (underneath and so forth).

I made a mistake and forgot to test S-Mode.

I'm so confident this is an easy fix.

Thanks

I see. Nice discount.

Another silly question...even sillier than the last one...

Is it just the "S" not lighting up or is it really not working at all (no auto rev match)? Sorry I have nothing additional to share.

Best of luck!

None of these are silly questions. I had that thought as well, tried and wasn't functioning. But, I haven't tried since the ECU reset this morning, I just tested the button. Will report back, this is promising.

Can you tell me if the Hazard button is supposed to flash when activated?

Thank you!!

When you took your shift surround apart, did you verify that the extension piece is plugged into both ends? I only had a sport model for a few weeks but I think I recall the s-mode button being plugged into a 3-4" extension cable that then plugged into a piece under the radio surround. Might be worth verifying both ends are seated.

Thinking on the doom and gloom side - any possibility that someone swapped the brakes, wing and cluster into a base model? I've wondered how a dealer would market my car if I traded it in since I've done almost all those upgrades and while I'd hate to think someone would be that skummy, you never know. If you pull a window sticker based on the vin it should say for sure, but Carfax will sometimes show sports as touring and touring as sports in my experience.


I don't recall the hazards flashing when mine would engage - that might be some sort of fault code trying to peek through.

My hazard light doesn't flash when activated and only lights up with the headlights on

Did not check the other end of the cable, I'm on it. About to go on test drive shortly.

No, it's the "Sport". I have the window sticker, plus I researched the VIN multiple times, no red flags.

Will circle back today. Good to know about the Hazards.

So everything is currently working correctly, just S-Mode issue.

Thank you!

Thank you!!

My suggestion

S-mode needs to be able to read gear position .... does the gear position indicate correctly in the dash ?

Check the gear position wiring as well

Yes, the gearing is correct in the dash.

Thank you!

No it isn't, not functioning.

Thanks

Just test drove, not working.

Thanks.

My cruise control is working properly, I noted in my original post. But will take a look, I'm open to any suggestions.

Would you happen to have a pic of the clutch switch for reference?

Thank you!

Thanks a ton!!

Cool Z by the way! Love the yellow!

Just my Avatar. Have to take some cool ones.

Everything goes through the ECM. The combination meter also sends a signal via CAN bus to the ECM as well as the shift position indicator via CAN bus.

Since you had dash issues, look for a disconnected wire or connector.

Did they install an aftermarket ALARM system? (if I had a nickel for every F**ck up found after an alarm install.)

I cannot get a print out of the service manual. section EC-125.

Other sensors that send information for REv match to work:

-Crankshaft and CamShaft position sensors
Cluth pedal POSITION and Clutch Interlock switch
-Gear lever position sensor
-Input speed sensor
-Combination meter (via CAN bus)

Look under hood as well as under dash.

ZZ

here you go:

2.CHECK S-MODE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect S-MODE switch harness connector.
3. Turn ignition switch ON.
4. Check the voltage between S-MODE switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
S-MODE switch
Ground Voltage
Connector Terminal
M255 2 Ground Battery voltage

NO >> GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors M98, M252
• Fuse block (J/B) connector M1
• 10 A fuse (No. 3)
• Harness for open or short between S-MODE switch and fuse

4.CHECK S-MODE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect combination meter harness connector.
3. Check the continuity between S-MODE switch harness connector and combination meter harness con-
nector.
S-MODE switch Combination meter
Continuity
Connector Terminal Connector Terminal
M255 1 M53 12 Existed
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 6.
NO >> GO TO 5.
5.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors M98, M252
• Harness for open or short between S-MODE switch and combination meter
>> Repair open circuit, short to ground or short to power in harness or connectors.
6.

6.CHECK S-MODE SWITCH
Refer to EC-532, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace S-MODE switch.
7.CHECK INTERMITTENT INCIDENT
Refer to GI-45, "
Intermittent Incident".
>> INSPECTION END
Component Inspection
1.CHECK S-MODE SWITCH
1. Turn ignition switch OFF.
2. Disconnect S-MODE switch harness connector3. Check the continuity between S-MODE swi
Terminals Condition Contin
1 and 2 S-MODE switch
Pressed Existe
Is the inspection result normal?
YES >> INSPECTION END
Released Not Ex

Just did:

1. Another ECU reset
2. Checked Upper Clutch Switch, position seems fine, it pushes the switch pin in (assuming this what it's supposed to do, when clutch pedal is not engaged)
3. Checked fuses, though I'm not sure which specific one to check
4. Checked S-Mode switch connection, wiggled a few items
5. The car looks new all over, all stock, only 2400 miles, only evidence of any fiddling around, is the cluster was removed for diagnosis.
6. There is no aftermarket alarm, but there is a device connected supposedly to fight rust corrosion (see pic).

Thank you for all of this info! I'll be back on it mid-week, working long shifts next three days.

You may have answered your problem and my suspicion with this statement:

"only evidence of any fiddling around, is the cluster was removed for diagnosis."

But the cluster worked properly once I replaced the Shipping Fuse. And there weren't any major issues before replacing the fuse, just some minor issues. The Chevy dealer had no idea how to diagnose the minor issues I was having, and of course they scratched some plastics in removal.

I'm definitely not paying someone to fix this issue, if I can't figure it out, I'll just have to live without S-Mode. At this point I haven't experienced it, so not missing anything, lol.

Thanks.

The fuse likely reset the combination meter due to someone disconnecting connectors. Doesn't mean it, or other connectors are connected properly or at all.

Start with the real simple test and see if you get power to the switch at the S mode harness. That power comes form combination meter.

Test switch itself.

(i've included both those tests and location of Fuses)

You did say you looked for fault codes?

I'll start as you suggested, test power to the switch.

Just a couple last questions below, then I'll let you be for a couple of days (lol), til' I get back to this.

1. I was wondering, is there a specific connector for S-Mode to the cluster, or is it routed into a connector with other functions? Hope this makes sense.

2. If there is a connection issue to the cluster, would that affect the function of S-Mode, or does it just not display "S"? I ask this because, one issue I had with the cluster, the turn indicators were actually working outside, but didn't display on cluster. This was remedied when I replaced the shipping fuse.

3. Ironically (first thing I always do), I haven't checked fault codes. Just purchased the Z, and haven't ordered a system reader yet. Can you recommend one for around $200? Not a simple code reader, but something more involved, like my "iCarsoft" scanner for my truck.

I really appreciate all your help, this is extremely helpful! I'm actually excited and driven now, to figure this out, can't let it go!

Thank you!!

There are two fuses. 1 for combo meter ( Fuse #4 which you pulled) and another fuse for S-mode switch (fuse #3. both 10A)
Check #3.

There is a "signal" connection between Combo meter and S-mode switch. It should be one connector with specific pins.

4.CHECK S-MODE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect combination meter harness connector.
3. Check the continuity between S-MODE switch harness connector and combination meter harness con-
nector.
S-MODE switch Combination meter
Continuity
Connector Terminal Connector Terminal
M255 1 M53 12 Existed
4. Also check harness for short to ground and short to power.

So you want to check Connector 255, pin 1 at Switch to connector 53 at combo meter pin 12.

I highly doubt you have a short but there are "junction" connector (M98) along the way. Those could have not been connected or loose.

good luck.

oh and for OBDII, I use APP called "OBD Fusion" with A wifi dongle and ipad.

Many more out there, just google or youtube

[QUOTE=ZoomZ;4023383]There are two fuses. 1 for combo meter ( Fuse #4 which you pulled) and another fuse for S-mode switch (fuse #3. both 10A)
Check #3.

Just for fuse reference, the one circled is the one I replaced (Elec. Parts), you call #4, the natural order doesn't seem to be #4. Which would be #3/S-Mode fuse? The "Meter" fuse?

Just noticed the upside down fuses, on that right away!!

Thanks.

And no more questions for you today.

Unless you're just OCD there is no reason to change the fuses. Current is flowing through both sides of the fuse in the same direction, no matter the orientation of the fuse.

[QUOTE=photoguy007;4023390]a little different from the FSM but generally same. ( not accepting my image)

Looking at your fuse box image, left column, upper slot (empty) is #1. So #3 and #4 is electric parts and meter.

Hey guys, sorry to thread jack. I’m having the same issues with S-mode; it isn’t working. Upon initial start up the S will be displayed in the cluster, then after driving a few seconds it throws the warning on the cluster screen. Codes I’m getting are P2765 input turbine speed sensor circuit B. I’ve changed the sensor on the trans on the left hand side and no avail. For reference, my Z is single turbo and triple disc clutch with cmak. S mode was working perfectly even after the build, and only recently have I run into this issue. I’ve checked the mentioned fuses, all good. I took it to Nissan today, and their scanners couldn’t connect to my Z. Unsure if tuning could be the culprit. Idk if it’s a CAN communication issue, nor do I know where the CAN-BUS wires/connector is located to assess it. I’ve checked all connectors going to the transmission and all is well there too. I’m open to any ideas or advice as I’m truly out of ideas and Nissan was of no help unfortunately.

I might have an S mode button if yours is bad. I just hacked up a manual trim ring for my build.

[QUOTE=ZoomZ;4023430]Really appreciate all your help, I’m back on this.

1. I purchased a new switch, no change
2. Going to check the other end of the S-Mode harness tomorrow, I’m hoping it’s not connected!
3. I am hearing my clutch spinning when pedal is out, but just read this is normal?

Thanks

[QUOTE=photoguy007;4027669]Just and update to anyone interested. S-Mode still not functioning.
1.Today (and so far), I checked all connections (well believe I did)
2. Removed cluster to inspect if anything seemed odd, all good.
3. Replaced switch with brand new one
4. Checked clutch switch under pedal (my cruise works fine)
5. System reboot


I’ll attempt to check power going to switch, I’m little confused how to do, but will figure out