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TRIONIC T7 Fuel Control System Expand All (for easy ctrl-f) Collapse All Adjustment-Replacement Control module Crankshaft position sensor Manifold absolute pressure sensor Pressure/temperature sensor, charge air Temperature sensor, engine coolant Mass air flow sensor Throttle body Limp-home solenoid Reset of triggered limp-home mechanism Relay, limp-home solenoid Switch, cruise control Brake pedal switch Clutch pedal switch Charge air control valve Checking and adjusting basic charging pressure Checking the wastegate Turbo bypass control valve Fuel pressure regulator Checking the fuel pressure regulator Fuel pump Checking fuel pump capacity Relay, fuel pump Main relay Relay, A/C Injectors Checking injector flow capacity Front oxygen sensor (B235R, B205L/R) Rear oxygen sensor (B235R, B205L/R) EVAP pressure sensor EVAP canister purge valve EVAP close valve Ignition discharge module Spark plugs Adjusting the accelerator pedal cable. Leak test, fuel pressure, flow capacity and adaptation procedure Checking induction system integrity Component Location Brakelight switch (29) Relay, fuel pump (102) Switch, clutch, cruise control (133) Switch, brakes, cruise control (134) Switch, cruise control (141) Relay, A/C compressor (156) Solenoid valve, boost pressure (179a) Temperature sensor, coolant, engine management system (202) Mass air flow sensor (205) Injector, cyl. 1 (206a) Injector, cyl. 2 (206b) Injector, cyl. 3 (206c) Injector, cyl. 4 (206d) Main relay, engine management system (229) Transmission range switch 1, automatic (245) Heating element, oxygen sensor (271) Purge valve, EVAP canister (321) Motor, fuel pump (323) Position sensor, crankshaft (345) Ignition discharge module (346) Temperature sensor, intake air (407) Pressure sensor, intake manifold (431) Control module, TCM for T7 (502b) Relay, starter relay (517) Main instrument unit (540) ABS control module (547) Pressure sensor, EVAP (585) Solenoid valve, EVAP shut-off (588) Control module, Trionic T7 4-cyl (589b) Heated oxygen sensor 1 (592Fa) Heated oxygen sensor 2 (592Ra) Pressure sensor, charge air (603) Actuator, throttle body (604) Solenoid valve, turbo bypass (605) Solenoid, limp-home (607) Relay, limp-home (640) Connector H2 -43 Connector H4 -7 Connector H4 -18 Connector H4 -19 Connector H6 -12 Connector H10-1 Connector H10-19 Connector H33-1 Connector H33-2 Connector H33-3 Connector H33-5 Crimp J31, engine harness T7 Crimp J34, T7 engine harness Crimp J35, T7 engine harness Crimp J36, engine harness T7 Crimp J44, engine harness T7 Crimp J45, engine harness T7 Crimp J57, dashboard harness Crimp J63, dashboard harness Crimp J75, dashboard harness Crimp J76, dashboard harness Crimp J114, rear harness Crimp J185, engine harness T7 Crimp contact JH4, dashboard harness Grounding point G3 Grounding point G7A Grounding point G7B Fault Diagnosis Fault Codes Notes DTC P0100: Mass Air Flow Circuit. No Signal. DTC P0101: Mass Air Flow Circuit. Performance Problems. DTC P0102: Mass Air Flow Circuit. Low Input. DTC P0103: Mass Air Flow Circuit. High Input. DTC P0106: Manifold Absolute Pressure Sensor Circuit. Performance Problem. DTC P0107: Manifold Absolute Pressure Sensor Circuit. Open/Short to Ground. DTC P0108: Manifold Absolute Pressure Sensor Circuit. Short to B+. DTC P0112: Intake Air Temperature Sensor Circuit. Short to Ground. DTC P0113: Intake Air Temperature Sensor Circuit. Short to B+/Open Circuit. DTC P0115: Engine Coolant Temperature Circuit. Performance Problem. DTC P0116: Engine Coolant Temperature Circuit. Performance Problem. DTC P0117: Engine Coolant Temperature Sensor Circuit. Short to Ground. DTC P0118: Engine Coolant Temperature Sensor Circuit. Short to B+/Open circuit. DTC P0119: Engine Coolant Temperature Circuit. Intermittent Open/Short. DTC P0125: Excessive Time to Enter Closed Loop Fuel Control. DTC P0131: O2S Circuit. Low Voltage. Sensor 1. DTC P0132: O2S Circuit. High Voltage. Sensor 1. DTC P0133: O2S Circuit. Slow Response. Sensor 1. DTC P0134: O2S Circuit. No Activity Detected. Sensor 1. DTC P0137: O2S Circuit. Low Voltage. Sensor 2. DTC P0138: O2S Circuit. High Voltage. Sensor 2. DTC P0140: O2S Circuit. No Activity Detected. Sensor 2. DTC P0171: Long Term Fuel Trim Multiplicative. Max Value, Air/Fuel too Lean. DTC P0172: Long Term Fuel Trim Multiplicative. Min Value, Air/Fuel too Rich. DTC P0300: Random Misfire Detected. DTC P0301: Cylinder 1 Misfire Detected. DTC P0302: Cylinder 2 Misfire Detected. DTC P0303: Cylinder 3 Misfire Detected. DTC P0304: Cylinder 4 Misfire Detected. DTC P0327: Knock Sensor Circuit. Low Input, Bank 1. DTC P0336: Crankshaft Position Sensor Circuit. Performance Problem. DTC P0337: Crankshaft Position Sensor. No Input. DTC P0340: Camshaft Position Sensor. Malfunction. DTC P0420: Three Way Catalytic Converter. Malfunction. DTC P0441: EVAP Purge Valve. Malfunction. DTC P0442: EVAP. Small Leakage in System. DTC P0444: EVAP Purge Valve Circuit. Open/Short to Ground. DTC P0445: EVAP Purge Valve Circuit. Short to B+. DTC P0452: EVAP Tank Pressure Sensor Circuit. Short to Ground. DTC P0453: EVAP Tank Pressure Sensor Circuit. Open/Short to B+. DTC P0455: EVAP. Serious Leakage in System. DTC P0501: Vehicle Speed. Input signal outside limits. DTC P0502: Vehicle Speed. No input signal. DTC P0506: Idle Speed Control. Idling Speed too Low. DTC P0507: Idle Speed Control. Idling Speed too High. DTC P0605: Internal Control Module. Malfunction. DTC P1105: Charge Air Absolute Pressure Sensor. Hose leakage. DTC P1106: Charge Air Absolute Pressure Sensor Circuit. Performance Problem. DTC P1107: Charge Air Absolute Pressure Sensor Circuit. Short to Ground/Open. DTC P1108: Charge Air Absolute Pressure Sensor Circuit. Short to B+. DTC P1110: Charge Air Bypass Valve. Performance Problems. DTC P1131: O2S. Switch point - lean. Sensor 1 DTC P1132: O2S. Switch point - rich. Sensor 1 DTC P1133: O2S Circuit. Low Voltage. Sensor 1. DTC P1135: O2S Heater Circuit. Current too Low, Sensor 1. DTC P1136: O2S Heater Circuit. Current too High, Sensor 1. DTC P1137: O2S Circuit. Low Voltage. Sensor 2. DTC P1141: O2S Heater Circuit. Current too Low, Sensor 2. DTC P1142: O2S Heater Circuit. Current too High, Sensor 2. DTC P1171: Short Term Fuel Trim. Max Value, Air/Fuel too Lean. DTC P1172: Short Term Fuel Trim. Min Value, Air/Fuel too Rich. DTC P1181: Long Term Fuel Trim Additive. Max Value, Air/Fuel too Lean. DTC P1182: Long Term Fuel Trim Additive. Min Value, Air/Fuel too Rich. DTC P1230: Throttle Position Sensor 1 and 2 Circuit. Sum Out of Range. DTC P1231: Throttle Position Sensor 1 and 2 Circuit. Sum Out of Range (No Limp Home). DTC P1240: Throttle Motor Circuit. Shorted. DTC P1251: Throttle Motor. Full PWM in Closing Direction. NOTE. May set if Mechanism is not Reseted. DTC P1252: Throttle Motor. Full PWM in Open Direction and no Motor Current. DTC P1253: Throttle Motor. Full PWM in Open Direction During Cranking. DTC P1260: Throttle Return Spring. Too Low Force. NOTE. May set if Mechanism is not Reseted. DTC P1261: Throttle Binding. DTC P1263: The Throttle Was Rotated By Hand When The Engine Was Running. DTC P1264: Throttle Open When Pedal Is Released. DTC P1300: Random Misfire Detected. Catalyst Damaging. DTC P1301: Cylinder 1 Misfire Detected. Catalyst Damaging. DTC P1302: Cylinder 2 Misfire Detected. Catalyst Damaging. DTC P1303: Cylinder 3 Misfire Detected. Catalyst Damaging. DTC P1304: Cylinder 4 Misfire Detected. Catalyst Damaging. DTC P1310: Ignition Discharge Module. Not Powered, Bank 1. DTC P1312: Combustion Detection Cyl. 1+2. Open Circuit/Short to B+. DTC P1334: Combustion Detection Cyl. 3+4. Open Circuit/Short to B+. DTC P1390: Random Misfire Detected. Catalyst Damaging. Fuel Level Low. DTC P1391: Cylinder 1 Misfire Detected. Catalyst Damaging. Fuel Level Low. DTC P1392: Cylinder 2 Misfire Detected. Catalyst Damaging. Fuel Level Low. DTC P1393: Cylinder 3 Misfire Detected. Catalyst Damaging. Fuel Level Low. DTC P1394: Cylinder 4 Misfire Detected. Catalyst Damaging. Fuel Level Low. DTC P1441: EVAP Purge Valve. Malfunction And Malfunctional Fuel Level Sensor. DTC P1442: EVAP Small Leakage In System And Malfunctional Fuel Level Sensor. DTC P1444: Canister Close Valve Circuit. Open/Short to Ground. DTC P1445: Canister Close Valve Circuit. Short to B+. DTC P1451: EVAP Tank Pressure Sensor. Performance Problem. DTC P1452: EVAP Tank Pressure Sensor. Value Too Low When Depressurized. DTC P1453: EVAP Tank Pressure Sensor. Value Too High When Depressurized. DTC P1455: EVAP Tank Pressure Sensor. Serious Leakage In System And Malfunctional Fuel Level Sensor. DTC P1460: Immobilizer Active. NOTE. If new T7, MIU or TWICE module, program code in TWICE. DTC P1491: EVAP Tank Pressure Sensor. Performance Problem At The Same Time As The Fuel Level Sensor Diagnosis Has Reported A Fault. DTC P1492: EVAP Tank Pressure Sensor. Value Too Low In Depressurized State At The Same Time As The Fuel Level Sensor Diagnosis Has Reported A Fault. DTC P1493: EVAP Tank Pressure Sensor. Value Too High In Depressurized State At The Same Time As The Fuel Level Sensor Has Reported A Fault. DTC P1530: Pedal Position Sensor 1 and 2 Circuit. Sum Out of Range. DTC P1531: Pedal Position Sensor 1 and 2 Circuit. Adapted Sum Out of Range. DTC P1532: Pedal Position Sensor 1 And 2 Circuit. Control Module Inputs Shorted To Each Other. DTC P1549: Charge Air. Malfunction DTC P1576: Brake Light Switch Circuit. Open/Short to B+. DTC P1577: Brake Light Switch Circuit. Short to Ground. DTC P1601: Internal Control Module. Malfunction. DTC P1602: Internal Control Module. Malfunction. DTC P1603: Internal Control Module. Malfunction. DTC P1604: Internal Control Module. Malfunction. DTC P1605: Internal Control Module. Malfunction. DTC P1606: Internal Control Module. Malfunction. DTC P1607: Internal Control Module. Malfunction. DTC P1608: Internal Control Module. Malfunction. DTC P1609: Internal Control Module. Malfunction. DTC P1610: Internal Control Module. Malfunction. DTC P1611: Internal Control Module. Malfunction. DTC P1613: Internal Control Module. Malfunction. DTC P1614: Internal Control Module. Malfunction. DTC P1621: Internal Control Module. Malfunction. DTC P1622: No Bus Data From MIU. DTC P1623: No Bus Data From TCM. DTC P1624: CHECK ENGINE. Request (Bus from TCM). DTC P1625: No Bus data From TC/ABS. DTC P1631: Internal Control Module. Malfunction. DTC P1632: Internal Control Module. Malfunction. DTC P1633: Internal Control Module. Malfunction. DTC P1640: Main Relay Circuit. No Voltage to Control Module pin 1. DTC P1641: Fuel Pump Relay. No Voltage to Fuel Pump and O2S Preheating. DTC P1652: Main Relay Coil Circuit. Open/Short to Ground. DTC P1653: Main Relay Coil Circuit. Short to B+. DTC P1654: Fuel Pump Relay Coil Circuit. Open/Short to Ground. DTC P1655: Fuel Pump Relay Coil Circuit. Short to B+. DTC P1656: A/C Relay Coil Circuit. Open/Short to Ground. DTC P1657: A/C Relay Coil Circuit. Short to B+. DTC P1658: Charge Air Bypass Valve Circuit. Open/Short to Ground. DTC P1659: Charge Air Bypass Valve Circuit. Short to B+. DTC P1662: Charge Air Control Valve Circuit. Open/Short to Ground. DTC P1663: Charge Air Control Valve Circuit. Short to B+. DTC P1670: Relay of limp-home function, open circuit/short circuit to ground DTC P1671: Relay of limp-home function, short circuit to B+ DTC P1676: Injector Circuit. Open/Short to Ground or B+. Fault Diagnosis, General Fault Diagnosis, Symptoms Special Tools Tech 2 30 14 883 Pressure/vacuum pump 83 93 852 Pressure measuring equipment, fuel and oil pressure 83 93 886 Diagnostics cable, LH system 83 94 322 Wrench, butterfly 83 94 538 Circlip tool 83 94 744 Adapter, fuel pressure testing 86 10 867 Ground cable, DI system 86 11 170 Test cable, 70-pin 86 11 352 Measurement cable, male pin (x 4) 86 11 386 Test pin, ignition discharge module control 86 11 410 Measurement cable, female pin (x 4) 86 11 857 Test lamp, red-green 86 12 996 Hardware key for USB port Technical Data Trionic T7 control module (430b/589b) Test readings, control module connections Crankshaft position sensor (345) Manifold absolute pressure sensor (431) Charge air absolute pressure sensor (603) Intake air temperature sensor (407) Coolant temperature sensor (202) Mass air flow sensor (205) Actuator, throttle body (604) Limp-home solenoid (607) Relay, limp-home solenoid (640) Switch, cruise control (141) Clutch pedal switch (133) Brake pedal switch (134) Charge air control valve (179a Control valve, bypass (605) Fuel pressure regulator Fuel pump (323) Relay, fuel pump (102) Main relay (229) Relay, A/C (156) Heated oxygen sensor 1, before catalytic converter (592Fa) Heated oxygen sensor 2, after catalytic converter (592Ra) EVAP canister purge valve (321) Solenoid valve, EVAP shut-off (588) EVAP pressure sensor (585) Trionic 7, Mode 06 Ignition discharge module (346) Spark plugs (157) Technical Description Main components Brief description Brief description, fuel evaporation Turbo induction function diagram, exhaust, 4-cyl. Control module inputs Control Module Bus Inputs Control Module Outputs Control Module Bus Outputs Control module Control module power supply 5V supply Ground Crankshaft position sensor Mass air flow sensor Manifold absolute pressure sensor Charge air absolute pressure sensor Intake air temperature sensor Coolant temperature sensor Speed, wire from ABS Speed, bus from TC/ABS P Bus And I Bus Bus communication Main relay Fuel pump relay A/C relay Control valve, bypass Air mass control, basic function Pedal position sensor Cruise control Air Mass Limitation Load compensation Other Air Request Throttle Control Turbo control Fuel injection, basic function Basic quantity, fuel Compensation Closed loop Purging Multiplicative adaptation Additive Adaptation Starting fuel Injection duration Fuel shut-off Injectors Ignition, basic function Idling speed ignition timing Catalytic converter heating ignition Normal ignition timing Knock control Starting ignition timing Ignition discharge module