Let's explore some possibilities:
Temperature-Related Issue:
Some Scion xB owners have reported similar issues during cold weather. When the temperature drops below 40 degrees Fahrenheit, the cluster may exhibit flashing behavior, and the fuel gauge and tachometer might stop working.
A common theory links this issue to the engine control unit (ECU) being affected by the cold. Once the car warms up, the flashing typically stops, and the gauges resume functioning.
Faulty Wiring or Connections:
Check all the wiring connections related to the instrument cluster. Ensure that there are no loose or damaged wires.
Inspect the wire harness near the battery area. Sometimes, a loose cold air intake (CIA) can rub against the wire harness, causing issues.
Verify that there are no fault codes stored in the ECU that could be affecting the cluster.
Moisture or Condensation:
Moisture inside the cluster can lead to erratic behavior. If you suspect this, consider removing the cluster and cleaning it thoroughly with an electric cleaner.
Pay attention to any signs of corrosion or water damage on the circuit board or connectors.
Faulty Cluster Unit:
If other troubleshooting steps don't yield results, it's possible that the instrument cluster itself is faulty.
Some Scion xB owners have resolved similar issues by replacing their clusters with units from a junkyard.
VSS (Vehicle Speed Sensor) Issues:
Plug a good scanner into the OBD II port and configure it to report the vehicle's speed as detected by the VSS.
If the scanner shows 0 MPH while driving, the VSS might be causing the speedometer to malfunction.
Remember that diagnosing and fixing electrical issues can be complex. If you're not comfortable doing it yourself, consider seeking professional assistance from a qualified mechanic or an auto repair shop.
Do yourself a favor and buy a short subscription to alldatadiy.com or eautorepair.net. Those are pro grade manuals with step by step. It's a big job and you need to know where all the fasteners and clips are or you'll break them. It's doable by a DIYer as long as you have good diagrams. I've done it on several vehicles using alldata. It's a full day job
Question edited for clarity.
Question moved to model category.
Yes, a local Auto Locksmith can reprogram it. He can also make you a new key cut from the old one and programmed together with your existing key. Never ever let yourself get down to having just one key, because when that one is lost or stolen it becomes a VERY expensive fix to buy a new lock cylinder and get keys programmed. We see it here at least 3 times a week.
https://www.google.com/search?q=auto+locksmith+near+me
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Question edited for clarity.
Question moved to model category.
That isn't the best way to do it. You remove the AC compressor and fit a bypass pulley. that keeps the stock belt and the routing the same.
Or you could just replace the compressor.
https://www.google.com/search?q=2012+scion+xb+ac+bypass+pulley+replacement
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Removing the steering column from a 2006 Scion tC requires careful disassembly of various components and specialized tools. It is recommended to have a mechanic or someone with advanced knowledge and experience with automotive repairs perform this procedure. However, here are general steps that may be involved:
Disconnect the negative terminal of the vehicle's battery to disable the electrical system.
Remove the driver's side knee panel under the steering column.
Locate and disconnect any wiring harnesses or connectors connected to the steering column.
Remove any trim pieces, covers, or panels around the steering column, including the steering wheel itself.
Locate and remove any bolts or fasteners securing the steering column to the dashboard or other components.
Support the steering column to prevent it from falling.
Detach any additional connections or components, such as shift interlock cables or the ignition switch.
Slowly lower the steering column downward while keeping it clear of obstacles and wiring.
Remove the steering column from the vehicle.
It is important to consult a repair manual or seek professional guidance specific to your vehicle to ensure accurate and safe removal of the steering column.
well 99% of posters here, (same squawk) did all that wrong. (endless posts same acts wrong) 2 ways wrong./ (never scanned the PCM first) and did not check all fuses next) The service job done wrong is next) and last worse yet, did not do step one in all service manuals on Alternator page, failed to disconnect the nEG lug of the battery first. doing that wrong blows 1 to 5 fuses, even the 50 to 150 huge fuse or worse worse, the 120amp fuseable link is blown. (this case) blowing the up will make the new alt dead 2 ways 1: it can not connect to the battery lug Plus. 2: and worse yet the cluster lamp lies or acts dead. or lies. xD specifics , reading the service manual to you now the schematic speaks volumes if you lookedself contained regulator in side ALT, a good dead that.! wow 5 fuses to blow up a 60amp fuse blows 120amp fuse blows the 120 blows if battery is not unplugged firstif blown alterator is now dead. (off line 100%) tthe 120amp keeps from blowing up a battery if it shorts.*(and they do)the 120amp also prevents alternator fire when those pesky 3 phase diode packs short out, fires near fuel are never ever fun.there you go all causes and why. a volt meter finds all this ,measure all 5 fuseS see Nhear, 12vdc both ends of fuse or it IS BAD13v to 15vdc engine runningbut your car Alt is dead so voltage is 11 to 12vdc. and discharging fastJUST ONE $15 METER AND OMG SEE THE TRUTH OF ALL THIS.FAST/
wipers on or off, or both NOT TOLD that.!
FRONT WIPER?
is car stock no 3rd party , radio hacks or remote start hacks or alarms added scion told you never to do that.
check all fuses first is what to do. any times electrics fail
then test the battery main.
NOT TOLD AT ALL IF ENGINE STARTS AND CAR DRIVES?. day /night.
AT ALL. nor battery voltage at bad event (use a meter)
IF THE BATTERY IS WEAK, AND WILL NOT CRANK OR DOE SO SLOW THE BATTERY IS WEAK AND AS VOLTAGE NEARS 10VDC
THE COMPUTERS (LOTS) GO MAD., THEY CAN NOT OPERATE THAT LOW AND NOT MAKE ERRORS, OF ANY KIND,
THE BCM MAY BE THE FIRST GO MADE AT 10VDC. OR LESS.
THE SERVICE MANUAL COVERS ALL THIS.
retained power ends if you open driver door, if not retained can go 10 or 30 minutes , by brands of cars, not looking yours up me.
all fuses wiper (both ) are IG power feed only
the schematics NOW NO SUCH THINGS AS RTPR RETAINED POWER FEATURE. ZIP.
THE IG1 RELAY RUNS THE WIPER (POWER)
THE IGNITION PIN MARKED IG ENERGIZES THIS RELAY KEY ON.
BEHOLD THE REAL DEAL.
IG1 KEY SWITCH IS BAD OR HACKED
IG1 RELAY SHORTED. (AS IN BAD)
FUSE RIGHT FEEDS WIPER (ALL POWER)
SIMPLE AS EATING CHEERY PIE AL-A-MOD
Question edited a bit for clarity, but not the capitalization of every word! Why?
Question moved to model category.
The is no fuel cut off switch, only Fords have those.
Scion tC Forumshttps://www.yoursciontc.com > ... > Misc. Scion tC Tech
Apr 21, 2007 - What switch? There is no fuel cutoff switch anywhere in the car. You need to read the codes from the ECM to determine why it won't start.
Because of the battery disconnection, the reversed polarity and replacing the ECM, you need a mobile auto electrician with a pro grade scan tool computer to diagnose. ECM have to be programmed to the car. Because you disconnected the battery, you also need to reset the alarm and immobilizer.
https://www.google.com/search?q=mobile+auto+electrician+near+me
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