How To Pull Mazda OBD1 Codes Without a Scanner

Автокөліктер мен көлік құралдары

Mazda vehicles include a powerful tool to help you diagnose malfunctions. It does it by issuing some codes to guide you to the cause of the problem. Most importantly, you can obtain those codes manually and without any cost. So, check how to pull Mazda codes without a scanner and save time and money to make your repairs.
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MECS-II (CEL) Check Engine Light codes
These are the main check engine light codes for MECS-II 626's. You put the car into diagnostic mode by using a jumper wire between the TEN and GND pins of the diagnostic box under the hood of your car.
Code = Memory = Circuit Diagnosed
02 = Yes = 'NE2' crankshaft position sensor
03 = Yes = 'G' camshaft position sensor
04 = Yes = 'NE1' camshaft/crankshaft position sensor
05 = Yes = Knock sensor
08 = Yes = Volume Air Flow sensor (VAF)
09 = Yes = Coolant temperature sensor (CTS)
10 = Yes = Intake air temperature sensor (IAT)
12 = Yes = Throttle position sensor (TPS)
14 = Yes = Barometric pressure sensor
15 = Yes = LHO2S inactivation error
16 = Yes = Exhaust gas recirculation (EGR) system
17 = Yes = LHO2S inversion error
23 = Yes = RHO2S inactivation error
24 = Yes = RHO2S inversion error
25 = Yes = Fuel pressure regulator control solenoid
26 = No = Canister purge solenoid
28 = No = EGR vacuum solenoid
29 = No = EGR vent solenoid
34 = No = Idle air control (IAC) solenoid
41 = No = VRIS #1 solenoid
46 = No = VRIS #2 solenoid
67 = No = LFAN relay (1993 only)
69 = Yes = ECTF sensor (1993 only)
(HOLD) Automatic Transmission (ATX) Malfunction codes
Automatic transmission codes can be read by connecting the TAT and GND pins (see above for the location of this pin) and watching the "hold" light on the instrument cluster. The codes are read exactly as they are when reading the engine codes, except that the Hold light flashes, not the Check Engine Light.
01 = NE1 (crankshaft position sensor)
06 = Vehicle speed sensor
12 = Throttle position sensor
14 = BARO sensor (located within PCME)
55 = Vehicle speed pulse generator
56 = ATF thermosensor
57 = Reduce torque signal 1
58 = Reduce torque signal 2
59 = Torque reduced/ECT sensor
60 = 1-2 shift solenoid valve
61 = 2-3 shift solenoid valve
62 = 3-4 shift solenoid valve
63 = converter lock-up solenoid valve
64 = 3-2 timing solenoid valve
65 = converter lock-up valve
66 = line pressure solenoid valve
(ABS) Anti-Lock Braking System Malfunction codes
Anti-lock braking (ABS) system codes are read when the TBS and GND pins are connected in the Diagnostic connector (see above). The codes are read, again, like the engine codes, but now on the ABS light on the instrument cluster.
11 = Right front wheel speed sensor or rotor
12 = Left front wheel speed sensor or rotor
13 = Right rear wheel speed sensor or rotor
14 = Left rear wheel speed sensor or rotor
15 = Wheel speed sensor
22 = Hydraulic unit harness
51 = Fail-safe relay
53 = Motor or motor relay
61 = ABS control unit
The supplemental restraint (SRS) will flash code on the air-bag lamp on the dash with no need for any pin to be grounded.
12 = Low battery voltage
13 = Air bag circuit or crash sensor shorted to ground
21 = Safing sensor mounted incorrectly
22 = Safing sensor: output shorted to battery voltage
23 = Safing sensor input feed or return circuit open
24 = Open in circuit 944B or low-resistance in crash sensor(s)
32 = Driver's side air-bag / safing sensor: high resistance or open
33 = Pin 7 not grounded at DM
34 = Driver's side air-bag / safing sensor: low resistance or shorted
35 = Low resistance across pins 8 and 9 of DM
41 = Crash sensor circuit: high resistance or open
44 = RH crash sensor not mounted properly
45 = Center (radiator) crash sensor not mounted properly
46 = LH crash sensor not mounted properly
51 = DM internal fuse: blown and short to ground no longer exists
52 = Backup-power supply: voltage boost fault
53 = Internal DM fault
Mazda OBD 1 (Year 90-98) On-board Diagnostic Guide
Download it at
www.mediafire.com/file/24m5r0...
Mazda OBD 1 (Year 90-98) On-board Diagnostic Code
Download it at
www.mediafire.com/file/d9v9zc...
#HowToGetObd1CodesWithoutReader #HowToPullMazdaOBD1CodesWithoutaScanner

Пікірлер: 36

  • @2910mack
    @2910mack2 жыл бұрын

    its been years i have been looking for this information, thank you so much

  • @Mawsheng622
    @Mawsheng622 Жыл бұрын

    感謝!老車真的需要更多的愛來照顧!

  • @ratimus2000
    @ratimus200011 ай бұрын

    Hi. I presume you had resistors in the led wires, what value please? Thanks.

  • @vincentlee2460
    @vincentlee24602 жыл бұрын

    I have been looking for these codes for a long time

  • @jakeboynz
    @jakeboynz Жыл бұрын

    Great video... Thankyou!! Did you just make the led tester with just any LED & wires?

  • @lalim923

    @lalim923

    Жыл бұрын

    Yes, correct

  • @oussamarahmani4631
    @oussamarahmani463110 ай бұрын

    Hi I don’t have TAT pin , how can i diagnostic transmission??

  • @gloumer7702
    @gloumer77024 ай бұрын

    This method works for engine codes, but not for a flashing airbag light. Any idea how to diagnose the airbag fault code?

  • @shanerichards2367
    @shanerichards23672 жыл бұрын

    Great video where do I find the flash codes? What website are you cross referencing the flashes with.

  • @lalim923

    @lalim923

    2 жыл бұрын

    In the description , I just upload it . Hope its help. www.mediafire.com/file/d9v9zcm55blrsik/Mazda_OBD1_Diagnostic_Code.doc/file

  • @shanerichards2367

    @shanerichards2367

    2 жыл бұрын

    @@lalim923 yes it worked but mine is throwing out a code of (21 16 ) 2002 Mazda 323. On the list there is no 21 or 16 . Is my car throwing out a 4 digit code?

  • @lalim923

    @lalim923

    2 жыл бұрын

    4 digit code only can decoded by using handheld scanner , the 2 digit code is correct but for the code 21 not available in the Mazda OBD1 engine code library. Code = Memory = Circuit Diagnosed 02 = Yes = 'NE2' crankshaft position sensor 03 = Yes = 'G' camshaft position sensor 04 = Yes = 'NE1' camshaft/crankshaft position sensor 05 = Yes = Knock sensor 08 = Yes = Volume Air Flow sensor (VAF) 09 = Yes = Coolant temperature sensor (CTS) 10 = Yes = Intake air temperature sensor (IAT) 12 = Yes = Throttle position sensor (TPS) 14 = Yes = Barometric pressure sensor 15 = Yes = LHO2S inactivation error 16 = Yes = Exhaust gas recirculation (EGR) system 17 = Yes = LHO2S inversion error 23 = Yes = RHO2S inactivation error 24 = Yes = RHO2S inversion error 25 = Yes = Fuel pressure regulator control solenoid 26 = No = Canister purge solenoid 28 = No = EGR vacuum solenoid 29 = No = EGR vent solenoid 34 = No = Idle air control (IAC) solenoid 41 = No = VRIS #1 solenoid 46 = No = VRIS #2 solenoid 67 = No = LFAN relay (1993 only) 69 = Yes = ECTF sensor (1993 only)

  • @dapeco59

    @dapeco59

    Ай бұрын

    El link no tiene virus? ​@@lalim923

  • @mariostanko21
    @mariostanko21 Жыл бұрын

    Way this dont work in my 323f ba, 1,5.95 yr,? I turnir wire in dijagnostic konektor and led, and no signal. Please help mi. Thanks.

  • @azbgames6827
    @azbgames6827 Жыл бұрын

    what kind of connector does a japanese domestic model mazda 626 capella use?

  • @lalim923

    @lalim923

    Жыл бұрын

    Mostly Mazda 626 using J850bus+, if not work , try Iso9141-2 K-Line

  • @vincentlee2460
    @vincentlee24602 жыл бұрын

    For US MECS-II which pin is the BUS + line and which other pin is the BUS -ve line?

  • @lalim923

    @lalim923

    2 жыл бұрын

    Watch this video kzread.info/dash/bejne/dp54lbOpm9u8qps.html

  • @vincentlee2460

    @vincentlee2460

    2 жыл бұрын

    Thank you so much for sharing this knowledge. I'm going to do this mod so make trouble shooting electronic faults so much easier.

  • @vincentlee2460
    @vincentlee24602 жыл бұрын

    How do u erase error codes stored in the computet after the car is fixed?

  • @lalim923

    @lalim923

    2 жыл бұрын

    Removes negative terminal of the car battery. Depressed brake for 10 seconds will reset car ecu including error code.

  • @byron1dagg80
    @byron1dagg80 Жыл бұрын

    What about airbag (srs) codes? where can i find the flashes meaning for airbag faults?

  • @lalim923

    @lalim923

    Жыл бұрын

    Hi, In the description have the code for airbag.

  • @byron1dagg80

    @byron1dagg80

    Жыл бұрын

    @@lalim923 what where in description?

  • @lalim923

    @lalim923

    Жыл бұрын

    (SRS) Supplemental Restraint System Malfunction codes In order of priority from highest to lowest: - = No air bag lamp: diagnostic monitor (DM), ignition power or bulb circuit - = Continuous lamp: DM disconnected or inoperative 12 = Low battery voltage 13 = Air bag circuit or crash sensor shorted to ground 21 = Safing sensor mounted incorrectly 22 = Safing sensor: output shorted to battery voltage 23 = Safing sensor input feed or return circuit open 24 = Open in circuit 944B or low-resistance in crash sensor(s) 32 = Driver's side air-bag / safing sensor: high resistance or open 33 = Pin 7 not grounded at DM 34 = Driver's side air-bag / safing sensor: low resistance or shorted 35 = Low resistance across pins 8 and 9 of DM 41 = Crash sensor circuit: high resistance or open 44 = RH crash sensor not mounted properly 45 = Center (radiator) crash sensor not mounted properly 46 = LH crash sensor not mounted properly 51 = DM internal fuse: blown and short to ground no longer exists 52 = Backup-power supply: voltage boost fault 53 = Internal DM fault - = Rapid continuous flashing or air-bag lamp: all crash sensors disconnected

  • @byron1dagg80

    @byron1dagg80

    Жыл бұрын

    @@lalim923 thank you so much i really appreciate your work

  • @byron1dagg80

    @byron1dagg80

    Жыл бұрын

    @@lalim923 But what terminals do i short and connect led to, to actually read them?

  • @gamboeric7186
    @gamboeric7186 Жыл бұрын

    Please how can i get the software to read the codes

  • @lalim923

    @lalim923

    Жыл бұрын

    In the description has the links.

  • @mamanhermawan2014
    @mamanhermawan20146 ай бұрын

    Saya coba ko led nya gak bisa ngedip ya

  • @mtay65
    @mtay6510 ай бұрын

    You still own and drive the car? Wow.

  • @nunosantos382
    @nunosantos3822 жыл бұрын

    Hi, my mazda doesn't have a fen terminal on obd port, can you help me to find the way to connect a led to find de error code? Thanks

  • @lalim923

    @lalim923

    2 жыл бұрын

    Your Mazda 626 car have European (EU MECS-II 1993-2002) Diagnostic Connector, It does not have the FEN pin. Only (US MECS-II 1993-1995) Diagnostic Connector has the FEN pin. You can find the fault code using ELM327 , BUS+ and BUS- is are the communication pins, check out my other video. Mazda OBD1 check engine fault code using ELM327 kzread.info/dash/bejne/dp54lbOpm9u8qps.html

  • @vincentlee2460

    @vincentlee2460

    2 жыл бұрын

    My Mazda protege year 2000 is US MECS-II. Strange

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