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TROUBLESHOOTING DIESEL FUEL 13A-40 FUNCTION • The variable geometry control solenoid valve controls the vacuum pressure introduced into the TROUBLE JUDGMENT Check Conditions • Battery positive voltage is 8 − 16 V. • 2 seconds later after the engine has started up. Judgment Criterion • Variable geometry control solenoid valve output voltage is 4.5 V or more (driving current is abnor- PROBABLE CAUSES • Short circuit in variable geometry control solenoid valve circuit or loose connector contact • Failed engine-ECU DIAGNOSIS PROCEDURE STEP 1. Connector check: A-56 variable Q: Are the check results normal? YES : Go to Step 2 . NO : Repair or replace the connector. AK900982 2 1 AC A-56 (BR) Harness side Connector: A-56 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 |