GM Blazer/Jimmy/Typhoon/Bravada 1983-1993 Repair Guide

MFI-Turbo Engine

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  1. Code 12 - Diagnostic system check
  2.  
  3. Code 13 - Oxygen sensor (open circuit)
  4.  
  5. Code 14 - Coolant temperature sensor (high temp. indicated)
  6.  
  7. Code 15 - Coolant temperature sensor (low temp. indicated)
  8.  
  9. Code 21 - Throttle position sensor (signal voltage high)
  10.  
  11. Code 22 - Throttle position sensor (signal voltage low)
  12.  
  13. Code 23 - Manifold air temperature sensor (low temp. indicated)
  14.  
  15. Code 24 - Vehicle speed sensor
  16.  
  17. Code 25 - Manifold air temperature sensor (high temp. indicated)
  18.  
  19. Code 31 - Turbocharger wastegate overboost
  20.  
  21. Code 32 - EGR circuit
  22.  
  23. Code 33 - MAP sensor (signal voltage high/vacuum low)
  24.  
  25. Code 34 - MAP sensor (signal voltage low/vacuum high)
  26.  
  27. Code 35 - Idle speed error
  28.  
  29. Code 42 - Electronic spark timing circuit
  30.  
  31. Code 43 - Electronic spark control circuit
  32.  
  33. Code 44 - Oxygen sensor circuit (lean exhaust indicated)
  34.  
  35. Code 45 - Oxygen sensor circuit (rich exhaust indicated)
  36.  
  37. Code 51 - PROM error (faulty or incorrect PROM)
  38.  





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Fig. Fig. 1: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 2: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 3: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 4: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 5: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 6: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 7: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 8: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 9: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 10: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 11: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 12: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 13: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 14: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 15: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 16: DTC CHART-1.9L FEEDBACK CARBURETOR

 


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Fig. Fig. 17: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 18: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 19: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 20: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 21: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 22: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 23: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 24: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 25: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 26: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 27: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 28: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 29: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 30: DTC CHART-2.0L AND 2.8L FEEDBACK CARBURETORS

 


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Fig. Fig. 31: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 32: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 33: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 34: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 35: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 36: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 37: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 38: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 39: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 40: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 41: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 42: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 43: DTC CHART-1985-86 2.5L TBI

 


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Fig. Fig. 44: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 45: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 46: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 47: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 48: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 49: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 50: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 51: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 52: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 53: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 54: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 55: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 56: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 57: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 58: DTC CHART-1986 2.8L TBI

 


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Fig. Fig. 59: DTC CHART-1987-88 TBI

 


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Fig. Fig. 60: DTC CHART-1987-88 TBI

 


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Fig. Fig. 61: DTC CHART-1987-88 TBI

 


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Fig. Fig. 62: DTC CHART-1987-88 TBI

 


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Fig. Fig. 63: DTC CHART-1987-88 TBI

 


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Fig. Fig. 64: DTC CHART-1987-88 TBI

 


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Fig. Fig. 65: DTC CHART-1987-88 TBI

 


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Fig. Fig. 66: DTC CHART-1987-88 TBI

 


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Fig. Fig. 67: DTC CHART-1987-88 TBI

 


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Fig. Fig. 68: DTC CHART-1987-88 TBI

 


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Fig. Fig. 69: DTC CHART-1987-88 TBI

 


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Fig. Fig. 70: DTC CHART-1987-88 TBI

 


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Fig. Fig. 71: DTC CHART-1987-88 TBI

 


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Fig. Fig. 72: DTC CHART-1987-88 TBI

 


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Fig. Fig. 73: DTC CHART-1987-88 TBI

 


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Fig. Fig. 74: DTC CHART-1987-88 TBI

 


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Fig. Fig. 75: DTC CHART-1987-88 TBI

 


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Fig. Fig. 76: DTC CHART-1987-88 TBI

 


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Fig. Fig. 77: DTC CHART-1987-88 TBI

 


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Fig. Fig. 78: DTC CHART-1989-91 TBI

 


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Fig. Fig. 79: DTC CHART-1989-91 TBI

 


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Fig. Fig. 80: DTC CHART-1989-91 TBI

 


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Fig. Fig. 81: DTC CHART-1989-91 TBI

 


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Fig. Fig. 82: DTC CHART-1989-91 TBI

 


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Fig. Fig. 83: DTC CHART-1989-91 TBI

 


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Fig. Fig. 84: DTC CHART-1989-91 TBI

 


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Fig. Fig. 85: DTC CHART-1989-91 TBI

 


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Fig. Fig. 86: DTC CHART-1989 TBI

 


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Fig. Fig. 87: DTC CHART-1989-91 TBI

 


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Fig. Fig. 88: DTC CHART-1989-91 TBI

 


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Fig. Fig. 89: DTC CHART-1989 TBI

 


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Fig. Fig. 90: DTC CHART-1989-91 TBI

 


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Fig. Fig. 91: DTC CHART-1989-91 TBI

 


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Fig. Fig. 92: DTC CHART-1989-91 TBI

 


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Fig. Fig. 93: DTC CHART-1989-91 TBI

 


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Fig. Fig. 94: DTC CHART-1989-91 TBI

 


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Fig. Fig. 95: DTC CHART-1989-91 TBI

 


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Fig. Fig. 96: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 97: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 98: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 99: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 100: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 101: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 102: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 103: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 104: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 105: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 106: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 107: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 108: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 109: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 110: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 111: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 112: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 113: DTC CHART-1992 ECM, EXCEPT MFI-TURBO

 


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Fig. Fig. 114: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 115: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 116: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 117: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 118: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 119: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 120: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 121: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 122: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 123: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 124: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 125: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 126: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 127: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 128: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 129: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 130: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 131: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 132: DTC CHART-1992-93 ECM, MFI-TURBO

 


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Fig. Fig. 133: DTC CHART-1993 PCM

 


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Fig. Fig. 134: DTC CHART-1993 PCM

 


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Fig. Fig. 135: DTC CHART-1993 PCM

 


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Fig. Fig. 136: DTC CHART-1993 PCM

 


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Fig. Fig. 137: DTC CHART-1993 PCM

 


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Fig. Fig. 138: DTC CHART-1993 PCM

 


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Fig. Fig. 139: DTC CHART-1993 PCM

 


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Fig. Fig. 140: DTC CHART-1993 PCM

 


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Fig. Fig. 141: DTC CHART-1993 PCM

 


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Fig. Fig. 142: DTC CHART-1993 PCM

 


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Fig. Fig. 143: DTC CHART-1993 PCM

 


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Fig. Fig. 144: DTC CHART-1993 PCM

 


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Fig. Fig. 145: DTC CHART-1993 PCM

 


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Fig. Fig. 146: DTC CHART-1993 PCM

 


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Fig. Fig. 147: DTC CHART-1993 PCM

 


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Fig. Fig. 148: DTC CHART-1993 PCM

 


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Fig. Fig. 149: DTC CHART-1993 PCM

 

 
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