Question about 1997 Toyota 4Runner

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97 4runner abs light on.

I did the "jumper in the diagnostic plug" trick and the ABS light flashed three times, pause then three times (33). I assume this code refers to which sensor, etc. is the problem. Can't find what 33 means.

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5 Suggested Answers

  • 1861 Answers

SOURCE: 1993 Camry Check Engine Light

Therre is no DTC code "5". The DTCs start at 12. If the knock sensor (there are actually 2) was bad, you would have an acceleration issue. The knock sensor changes the timing of the spark to eliminate detonation, or "pinging". Do you have a "Ping" condition/valve rattle on acceleration?
To reset the light, open the hood, remove the 15 amp EFI fuse for 5 minutes. Replace it, and start the car and drive it until it reaches operating temperature. If the light comes back on instantly, you have a bad sensor or a bad wire.

Posted on Nov 10, 2008

bunnydawg
  • 5158 Answers

SOURCE: 1995 v6 mazda 626 abs computer/module

best i can tell you is under the left side of the instrument panel.. rather large connector for it as well.

Posted on Apr 02, 2009

  • 5 Answers

SOURCE: Salvage car w/ ABS light on; left front sensor doesn't provide signal to ABS scanner machine to pass a brake and light inspection

you need to check for ac voltage coming from the wheel speed sensor if there is no voltage it is bad

Posted on May 20, 2009

  • 580 Answers

SOURCE: bmw 520i 1999 abs/asc lights on diagnostic

Check to see if your brake pads and rotors are in good condition. Or if you have replaced the pads yourself and have not reset the wheel sensors this would cause the ABS Antilock Brake System light and the ASC Automatic Stability Control light to stay on as the ASC uses the ABS brakes with computer assistance to control the car

Posted on Jul 08, 2009

GARYca
  • 672 Answers

SOURCE: trac off light and abs light on

you have a damaged, dirty or defective wheel speed sensor. This can only be determined by an experiened mechanic. Hopefully this helps

Posted on Aug 15, 2009

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Where is the obd2 connector location on holden ra rodeo v6


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Connect white (test lead) and black (ground lead) wires that are branched from harness approximately eight inches from ECM. After leads are grounded, the "Check Engine" light will flash the diagnostic trouble codes. The DTC's are indicated by the flashing CEL.
FLASH, FLASH, pause, FLASH, FLASH, FLASH = Code 23.
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Connect male and female test leads taped into wire harness near ECM. After leads are connected, the "Check Engine" lamp will flash the trouble codes. The DTC's are indicated by the flashing CEL.
FLASH, FLASH, pause, FLASH, FLASH, FLASH = Code 23.
If only one diagnostic trouble code is stored, the DTC will repeat continuously until test leads are disconnected. If more than one diagnostic trouble code is stored, each DTC will repeat three times, starting with the lowest, then proceed to the next DTC. After all DTC's have been displayed, the pattern will repeat.
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The ECM test connection is located under the center console.
A built-in, self diagnostic system will identify problems in the throttle body fuel injection system. When a problem is detected, the diagnostic system will illuminate the "Check Engine" light.
When the engine is started, the Check Engine light should turn off.. If the light remains lit, the self diagnostic has detected a problem. To determine where the problem exists, ground the "Test" terminal of the connector with the ignition On, engine Off and watch the check engine light. Each DTC will flash three times (lowest to highest).

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Code 33 is for an open or high resistance on the passenger side bag circuit which could be several different components or the wiring harness.

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Oct 26, 2012 | 1995 Jeep Wrangler

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Hello I have a 1994 maxima manual transmision,it have a check engine light on,when I start the car and beguin to drive it,runs perfect the a few minutes later the car gets very lazy almost want to turn...


Hello! I'll need the trouble code to fix your vehicle...Below is procedure with a code list...Guru...saailer

Remove the trim panels in front of the center console. Locate the engine computer attached to a floor-mounted bracket on the transmission tunnel between the console and the firewall.

  • Turn the diagnostic mode selector, located in a round opening on the side of the engine computer, until it stops. Observe the small red and green LED lights on the side of the computer next to the mode selector. They will flash to indicate the modes, with a pause between each mode. One quick flash is mode one, two quick flashes is mode two and so on. When the light flashes indicate mode three, quickly turn the mode selector counterclockwise until it stops. You have entered mode three diagnostics.

  • Remove the trim panels in front of the center console. Locate the engine computer attached to a floor-mounted bracket on the transmission tunnel between the console and the firewall.

  • Turn the diagnostic mode selector, located in a round opening on the side of the engine computer, until it stops. Observe the small red and green LED lights on the side of the computer next to the mode selector. They will flash to indicate the modes, with a pause between each mode. One quick flash is mode one, two quick flashes is mode two and so on. When the light flashes indicate mode three, quickly turn the mode selector counterclockwise until it stops. You have entered mode three diagnostics.
  • Turn the diagnostic mode selector, located in a round opening on the side of the engine computer, until it stops. Observe the small red and green LED lights on the side of the computer next to the mode selector. They will flash to indicate the modes, with a pause between each mode. One quick flash is mode one, two quick flashes is mode two and so on. When the light flashes indicate mode three, quickly turn the mode selector counterclockwise until it stops. You have entered mode three diagnostics.Observe the red and green LED lights on the side of the computer. The red light flashes to indicate the "Tens" digit of the code and the green light flashes to indicate the "Ones" digit of the code. For example, if the red light flashes two times and the green light flashes seven times, this would indicate code 27.


    Turn the ignition key off for two minutes to exit diagnostics. The computer will automatically return to mode one for normal operation...

    Code 11 Crank sensor angle

    Code 12 Mass airflow sensor

    Code 13 Engine coolant temperature sensor

    Code 14 Vehicle speed sensor

    Code 21 No ignition reference

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    Code 33 Oxygen sensor

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    Code 35 EGR temperature sensor

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    Code 45 Injector leak

    Code 51 Injector circuit

    Code 54 Automatic transmission signal

    Code 55 No malfunction recorded

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    I have a 91 Buick Century that dies after a few minutes.


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    DIAGNOSTIC OR ASSEMBLY LIND DATA LINK LOCATED UNDER THE DRIVER SIDE DASHBOARD NEAR THE KICK PANEL TO RETRIEVE TROUBLE CODES USE A JUMPER WIRE TO B AND A TERMINAL TWO TOP FAR TO RIGHT TERMINALS SIDE BY SIDE B AND A . CHECK ENGINE LIGHT WILL GIVE YOU MORSE CODE.LIKE TWO FLASHES PAUSE FEW SECONDS THEN FLASH THREE MORE TIMES THAT IS CODE 23 BUT A CODE SCANNER QUICKER BUT JUMPER WIRE CODE TRICK WORK AS GOOD IF YOU DONT HAVE CODE SCANNER. BUT YOU NEED CODE BOOK TO SEE WHAT CODES YOU ARE RECEIVING FROM PCM.

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    99 Saturn SC1 ''Service engine soon'' light is on.


    Did you get the code that triggered the SEL? If you know that, it will be easier to diagnose your problem. You can do it without a tool on the old saturns. Just need a paperclip. :

    Use a paper clip to jumper Terminal A and B of the ALDL *Assembly Line Diagnostic Link* which is above your left knee.
    Terminal A is an interal ground and is the top right terminal in the connector. Terminal B is directly adjacent and to the left of Terminal A.

    Turn the ignition to ON.

    All codes are 2 digits between 11 and 99. Codes are displayed on the SES light by flashing the light with short and long pauses to distinguish digits of one code from digits of another. The short pause is used between digits of the same code, long pauses are between codes. Also, each code is flashed three times before going to the next code.

    For example, the sequence of code 12 will be: flash, pause, flash-flash, long pause, then repeat 2 times. If Code 12 is not displayed, the self-diagnostic pogram i snot functioning properly.

    If only Code 12 is displayed, no system malfunctions have been stored.

    Any existing system fault codes are displayed in order from low to high, except for Code 11.

    On vehicles with an automatic transaxle and on which exist stored transaxle codes, Code 11 will be displayed last, then the SHIFT TO D2 light will begin flashing transaxle codes of flags.

    When all engine codes have been displayed, Code 12 will flash again.

    Diagnostic Codes
    11. Transaxle Codes present
    12. Diagnostic System Check
    13. Oxygen sensor, circuit open or not ready
    14. CTS circuit, out of range high
    15. CTS circuit, out of range low
    17. PCM fault, pullup resistor
    19. 6x signal fault, no 6x signal between reference pulses
    21. TPS circuit, out of range high
    22. TPS circuit, out of range low
    23. ATS circuit, out range low
    24. VSS circuit, no signal
    25. ATS circuit, out or range high
    26. Quad Driver output fault
    32. EGR system fault
    33. MAP sensor circuit, out of range high
    34. MAP sensor circuit, out of range low
    35. IAC valve, rpm out of range
    41A EST circuit open
    41B EST circuit shorted
    42A Bypass circuit grounded
    42B Bypass circuit open
    42C Bypass circuit shorted
    41. EST bypass, open or shorted
    42. EST bypass, open or shorted
    43. ECS (knock sensor) circuit open or shorted
    44. Oxygen sensor indicates system lean
    45. Oxygen sensor indicates system rich
    46. Power steering pressure switch circuit, open
    49. Idle rpm out of limit high (vacuum leak)
    51. PCM memory error
    55. A/D converter error in PCM
    81. ABS message fault (1993 vehicles with TCS)
    82 PCM internal communication fault


    Diagnostic Flags
    27. Quick quad driver output fault (1993 only)
    48. Reference imput intermittent or noisy
    52. Battery voltage out of range
    53. ESC knock present
    54. Five volt reference ground
    58. Battery voltage unstable
    61. 6x signal fault
    63. Option check sum error
    67. Handwheel sensor circuit fault
    71. Cooling system temperature high
    72. Coolinng system temeprature low
    73. CTS sensor unstable
    74. CTS/transaxle temperatuer sensor ratio error
    76. ATS sensor unstable
    83. Low coolant (1993 only)

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    Anti lock brake light


    abs relay some times go bad

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