TRIONIC T7 Fuel Control System
- 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
- Brake-light 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)
- Trionic T7 control module, 4-cyl (430b)
- Pressure sensor, intake manifold (431)
- Control module, TCM for T7 (502b)
- Relay, starter relay (517)
- Main instrument unit for petrol cars (540d)
- ABS control module (547)
- Pressure sensor, EVAP (585)
- Solenoid valve, EVAP shut -off (588)
- Trionic T7 control module 4-cyl LEV/OBDII (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, T7 engine harness
- 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 J53, dashboard harness
- 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
- 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
- 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 malfunctioning fuel level sensor
- DTC P1442: EVAP Small Leakage in System and malfunctioning 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 malfunctioning fuel level sensor
- DTC P1460: Immobilizer Active
- 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 See Fault Tracing 3:5 Bus and Diagnostic Communication
- DTC P1623: No Bus Data From TCM See Fault Tracing 3:5 Bus and Diagnostic Communication
- 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 strategy for electronic systems
- Lev/OBD II
- Fault handling I, catalyst damaging misfiring
- Fault handling II, emission-related misfiring or fault in fuel system
- Fault handling III, other emission-related components and function
- Tech 2 menu structure
- Diagnostic trouble code menu
- "Read Values" menu
- "Activate" menu
- Menu "System Information"
- Before changing a control module
- Testing for open/short circuits
- Enhanced ignition discharge module for Trionic 7
- Fault Diagnosis, Symptoms
- Special Tools
- Tech 2
- 30 14 883 Pressure/vacuum pump
- 86 12 996 Hardware key for USB port
- 83 94 322 Wrench, butterfly
- 86 11 386 Test pin, ignition discharge module control
- 86 10 867 Ground cable, DI system
- 86 11 170 Test cable, 70 -pin
- 83 94 744 Adapter, fuel pressure testing
- 83 93 852 Pressure measuring equipment, fuel and oil pressure
- 83 94 538 Circlip tool
- 83 93 886 Diagnostics cable, LH system
- 86 11 410 Measurement cable, female pin (x 4)
- 86 11 352 Measurement cable, male pin (x 4)
- 86 11 857 Test lamp, red-green
- 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)
- Injectors (206)
- 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)
- Pressure sensor, EVAP (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
- 1. Driver request
- 2. Cruise control request
- 3. Select highest value
- 4. Engine torque limitation
- 5. Select lowest value
- 6. Compensation request
- 7. Other air request
- 8. Totalling values
- 9. Total system air request
- 10. Throttle control
- 11. Current air mass/combustion
- 12. Turbo control
- 13. Current air mass/combustion
- Diagnostics
- Pedal position sensor
- Cruise control
- Air mass limitation
- Notes
- Maximum engine torque
- Manual gearbox, engine torque limitation
- Engine torque limitation
- Automatic gearbox, stall limitation
- Automatic transmission, limitation in reverse gear
- TCM, engine torque limitation
- Braking
- Traction Control, engine torque limitation
- Knock limitation
- Vehicle speed limitation
- Engine speed limitation
- Turbo speed limitation
- Limitations after system faults
- 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
- Wiring Diagram