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TROUBLESHOOTING DIESEL FUEL 13A-80 STEP 7. Perform voltage measurement at A-105 • Use special tool harness (MB991709) to connect connector, and measure at pick-up harness. • Ignition switch: ON • Voltage between terminal No. 2 and earth. OK: The voltage should be 0.7 − 1.2 V. When the accelerator pedal is quickly depressed Q: Is the check result normal? YES : Go to Step 8. NO : Replace the manifold absolute pressure STEP 8. Perform voltage measurement at C-105 • Measure engine-ECU terminal voltage. • Ignition switch: ON • Voltage between terminal No. 37 and earth. OK: The voltage should be 0.7 − 1.2 V. When the accelerator pedal is quickly depressed Q: Is the check result normal? YES : Go to Step 9. NO : Check and repair harness between A-105 (terminal No. 2) manifold absolute pressure • Check output line for damage. AK900797 1 3 2 AB Harness side A-105 (L) Connector: A-105 AKA00089 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 43 44 45 46 47 48 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 C-105 (B) C-105 (B) <R.H. drive vehicles> Harness side connector <L.H. drive vehicles> Connector: C-105 AB AK900797 1 3 2 AB Harness side A-105 (L) Connector: A-105 |