GDI -Troubleshooting 13A-147 Code No.41 Injector systemProbable cause Range of Check DThe enginespeed is 4,000 r/min or less. DThe battery voltage is 10 V or more. DThe fuel cut operation or the injector operation (by carrying out the Actuator Test) is not in progress. Set Conditions DThe injector driver is not transmitting a injectoropencircuit check signal for four seconds.DMalfunction of injector DOpen or short circuit in the injector circuit or loose connector contact DMalfunction of engine-A/T-ECU NG Check the following connector: B-105NG Repair OK NG Repair MUT- IIActuator Test 01 No.1 injector 02 No.2 injector 03 No.3 injector 04 No.4 injector 05 No.5 injector 06 No.6 injector OK: The idling condition should change.OKCheck the trouble symptoms.OKTransient malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions.) NG Replace the injector driver. Check the trouble symptoms.NGReplace the engine-A/T-ECU. OK Measure at intermediate connector B-105. DDisconnect the connector and measure at the harness side. DResistance between terminals 11 and 12 Resistance between terminals 5 and 6 Resistance between terminals 9 and 10 Resistance between terminals 3 and 4 Resistance between terminals 7 and 8 Resistance between terminals 1 and 2 OK: 0.9 - 1.1WNGCheck the following connectors: B-117 , B-114 injector>, B-118 , B-115 , B-103 injector>, B-104 NG Repair OK Replace the injector. Check the following connector: B-121NG Repair OK Check the harness wire between the injector driver and the intermediate connector.NG Repair OK Check the following connector: D-119NG Repair OK Check the harness wire between the injector driver and the engine-A/T-ECU.NG Repair OK To the nextpage Check the harness wire between injector and the intermediate connector. OK www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-148 OK Use an analyzer to measure the signal waveform at engine-A/T-ECU connectors D-119 and D-120. DEngine: Idling DSelector lever position: P DVoltage between terminal 1 and earth OK: A normal waveform should be displayed as described on P.13A-214 (INSPEC- TION PROCEDURE US- ING AN ANALYZER).NGCheck the following connector: B-61 OK Check the following connectors: B-117 , B-114 injector>, B-118 , B-115 , B-103 injector>, B-104 NG RepairNG OK OK Check the harness wire between the injector and the intermediate connector.NG Replace the engine-A/T-ECU. Repair Repair From the previouspage OK Check the harness wire between injector and the intermediate connector.NG Repair OK Replace the injector. Check the trouble symptoms.NGReplace the injector driver. Code No.44, 52, 53 Ignition coil (incorporating power transistor) systemProbable cause Range of Check DEngine speed is approx. 50 - 4,000 r/min. DEngine is not cranking. Set Conditions DThe ignition failure sensor does not send a signal about a certain cylinder for four seconds. However, except that the ignition failure sensor does not send a signal about all of cylinders.DMalfunction of the ignition coil DMalfunction of the ignition failure sensor DMalfunction of sparkplug DOpen or short circuit in the primary ignition circuit or loose connector contact DMalfunction of engine-A/T-ECU www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-149 OK Check trouble symptom. OK Check trouble symptom. OK Check the following connectors: B-101, B-108, B-112, B-113, B-116, B-119 NG Repair OK Replace the engine-A/T-ECU. NGNG Replace the ignition failure sensor. OK Check the harness wire between the engine-A/T-ECU and the igni- tion failure sensor. OK Check the ignition failure sensor. (Refer to GROUP 16 - Ignition System.)NG Check the following connectors: B-04, D-120 Check the ignition coil. (Refer to GROUP 16 - Ignition System.)NG Replace Measure at the ignition coil connectors B-101, B-108, B-112, B-113, B-116, B-119. DDisconnect the connector, and measure at the harness side. (1) Voltage between 1 and earth (Ignition switch: ON) OK: System voltage (2) Voltage between 3 and earth (Engine: cranking) OK: 0.5 - 4.0 V (3) Continuity between 2 and earth OK: ContinuityReplace OK NG Repair OK Check the following connectors: B-07, B-107, E-13, D-223 (1) NG NGRepair NG Check and repair the harness wire between the ignition coil and ignition failure sensor. Check and repair the harness wire between the ignition failure sensor and ignition switch. Check the following connectors: B-107, D-119 Repair NG (2) NG OK Check trouble symptom. Check the harness wire between the engine-A/T-ECU and the igni- tion coil. Repair NGOK Replace the engine-A/T-ECU. Check and repair the harness wire between the ignition coil and earth. (3) NG Measure at the ignition failure sensor connector B-04. DDisconnect the connector, and measure at the harness side. (1) Voltage between 2 and earth (Ignition switch: ON) OK: 4 V or more (2) Continuity between 1 and earth OK: Continuity NG There is short circuit oropencircuit in the ignition signal output harness of the ignition failure sensor. Check and repair the harness. (1) NG Check and repair the harness wire between the ignition failure sensor and earth. (2) NG Measure at the engine-A/T-ECU connector D-120. DConnect the connector. DVoltage between 45 and earth (Engine: 3,000 r/min) OK: 0.3 - 3.0 VOK Repair NG www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-150 Code No.54 Immobilizer systemProbable cause Range of Check DIgnition switch: ON Set Conditions DImproper communication between the engine-A/T-ECU and the immobilizer-ECUDOpen or short circuit, or loose connector contact DMalfunction of the immobilizer-ECU DMalfunction of the engine-A/T-ECU NOTE (1) If the registered ignition keys are close each other when starting the engine, radio interference may cause this code to be displayed. (2) This code may be displayed when registering the key encrypted code. NG Replace the engine-A/T-ECU. Check the trouble symptoms. NG Replace the immobilizer-ECU OK Check the trouble symptoms. OK Check the harness wire between the immobilizer-ECU and the engine-A/T-ECU, and repair if necessary.NG Replace Check the following connectors: D-122, D-202, E-13NG Repair www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-151 Code No.56 Abnormal fuel pressureProbable cause Range of Check DIgnition switch: ON Set Conditions DThe sensor output voltage is 4.8V or more, or 0.2 V or less for four seconds.DMalfunction of of fuel pressure sensor DOpen or short circuit in the fuel pressure sensor circuit or loose connector contact DMalfunction of engine-A/T-ECU Range of Check DThe following conditions are detected temporarily after the engine has been started. (1) Engine speed: 1,000 r/min or more (2) Fuel pressure: 2 MPa or more DEngine running Set Conditions DThe fuel pressure is 6.9 MPa or more, or 2 MPa or less for four seconds.DMalfunction of high-pressure fuel pump DClogging of high-pressure fuel lines This diagnosis code will also be output when air is trapped into the high-pressure fuel lines (such as poor fuel level). In that case, the air can be evacuated by operating the engine for atleast 15 seconds at 2,000 r/min. After the repair, use the MUT-IIto erase the diagnosis code.DAir trapped due to poor fuel level (2) NGCheck the following connector: D-121NG Repair OK Check the harness wire between the intermediate connector and the engine-A/T-ECU, and repair if necessary. MUT- IIData list 74 Fuel pressure sensor (Refer to 13A-198, DATA LIST REFERENCE TABLE.)OKTransient malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions.) NG Check the following connector: B-35NG Repair OK Measure at intermediate connector B-110. DDisconnect the connector, and measure at the engine-A/T-ECU harness side. (1) Voltage between terminal 4 and earth (Ignition switch: ON) OK: 4.8 - 5.2 V (2) Resistance between terminal 6 and earth OK: 2Wor less(1) NGMeasure at engine-A/T-ECU connector D-121. DMeasure the voltage at the engine-A/T-ECU terminal. DIgnition switch: ON DVoltage between terminal 87 and earth OK: 4.8 - 5.2 VOKCheck the following connector: D-121 NG Repair NG Check the following connector: D-121NG Repair OK Check the harness wire between the intermediate connector and the engine-A/T-ECU.NG Repair OK Check the trouble symptoms.NGReplace the engine-A/T-ECU. OK Check the trouble symptoms.NGReplace the engine-A/T-ECU. OK To the nextpage OK Check the harness wire between the intermediate connector and the engine-A/T-ECU, and repair if necessary.NG Repair www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-152 NG (2) NGCheck the following connector: B - 111NG Repair OK Measure at intermediate connector B-110. DUse test harness (MB991658) to connect the connector, and measure at the pick-up harness. DEngine: Idling DSelector lever position: P (1) Voltage between terminal 4 and earth OK: 4.8 - 5.2 V (2) Voltage between terminal 5 and earth OK: 0.3 - 4.7 V (3) Voltage between terminal 6 and earth OK: 0.5 V or less(1), (3) NGCheck the following connector: B - 111 OK Check the following connector: D-121NG Repair OK Check the harness wire between the fuel pressure sensor and the intermediate connector.NG Repair From the previouspage OK Check the harness wire between the intermediate connector and the engine-A/T-ECU, and repair if necessary. OK Check the harness wire between the fuel pressure sensor and the intermediate connector.NG Repair OK Replace the fuel pressure sensor. Check the trouble symptoms. Check the following connector: D-121NG Repair NG Check the harness wire between the intermediate connector and the engine-A/T-ECU, and repair if necessary. OK Measure at engine-A/T-ECU connector D-121. DMeasure the voltage at the engine-A/T-ECU terminal. DEngine: Idling DSelector lever position: P DVoltage between terminal 93 and earth OK: 0.3 - 4.7 VNGCheck the following connector: D-121NG Repair OK Check the harness wire between the intermediate connector and the engine-A/T-ECU, and repair if necessary. OKCheck the following connector: D-121NG Repair OK Check the trouble symptoms. OK Replace the engine-A/T-ECU.OKRepair www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-153 Code No.64 Alternator FR terminal systemProbable cause Range of Check DEngine speed: 50 r/min or more Set Conditions DInput voltage from the alternator FR terminal is system voltage for 20 seconds.DOpen circuit in alternator FR terminal circuit DMalfunction of engine-A/T-ECU OK Check the harness wire between the intermediate connector and the engine-A/T-ECU, and repair if necessary.NG Repair NG Check the following connector: D-120NG Repair Check the following connector: B-41NG Repair OK Measure at intermediate connector B-41. DUse test harness (MB991658) to connect the connector, and measure at the pick-up harness. DEngine:idling (After warming up) DSelector lever position: P DRadiator fan: Not operating DThe voltage between terminal 2 and earth OK: The voltage drops when the Headlamp are turned on.NG Check the following connector: B-59NG Repair OK Check the trouble symptoms. NG Replace the engine-A/T-ECU. OK Check the harness wire between the intermediate connector and the engine-A/T-ECU.NG Repair OK Measure at intermediate connector B-41. DUse test harness (MB991658) to connect the connector, and measure at the pick-up harness. DIgnition switch: ON DThe voltage between terminal 2 and earth OK: 9 - 10 VNGMeasure at engine-A/T-ECU connector D-120. DMeasure the voltage at the engine-A/T-ECU terminal. DIgnition switch: ON DThe voltage between terminal 54 and earth OK: 9 - 10 VNGCheck the following connector: D-120 OK NG Repair OK Check the following connector: D-120NG Replace OK Check the trouble symptoms.NGReplace the engine-A/T-ECU. OK Check the harness wire between the intermediate connector and the engine-A/T-ECU.NG Repair NG Replace the alternator.OK Check the trouble symptoms.OKIntermittent malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions.) Check the harness wire between the alternator and the intermediate connector. www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-154 Code No.77 Accelerator pedal position sensor (2nd channel) systemProbable cause Range of Check DAcceleratorpedal positionsensor (1st channel) is normal. DCommunication between the engine-A/T-ECU and the throttle valve controller is normal. Set Conditions DOutput voltage of the accelerator pedal positionsensor (2nd channel) is 0.2 V or less for one second or DOutput voltage of the accelerator pedal positionsensor (1st channel) is 2.5 V or less, and output voltage of the acceleratorpedal positionsensor (2nd channel) is 4.5 V or more for one second. or DDifference between the accelerator pedal positionsensor (1st and 2nd channels) output voltages exceeds 1.0 V (i.e. when the throttle valveopening anglechanges slightly).DMalfunction of accelerator pedal positionsensor (2nd channel) DOpen or short circuit in acceleratorpedal position sensor (2nd channel) circuit or loose connector contact DMalfunction of the throttle valve controller DMalfunction of engine-A/T-ECU OKIntermittent malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions.) NG Check the acceleratorpedal position sensor (Refer to P.13A-229.)NG Replace OK Measure at accelerator pedal position sensor connector D-135 DDisconnect the connector and measure at the harness side. (1) The resistance between terminal 7 and earth OK: 2Wor less (2) The voltage between terminal 8 and earth (Ignition switch: ON) OK: 4.8 - 5.2 V(1) NGCheck the following connector: D-11NG Repair OK Check the following connector: D-45NG Repair Check the harness wire between accelerator pedal positionsensor (2nd channel) and the throttle valve controller.NG Repair OK Check the trouble symptoms.NGReplace the throttle valve controller. (2) NGMeasure at throttle valve controller connector D-11. DMeasure voltage at the throttle valve controller connector terminals. DIgnition switch: ON DThe voltage between terminal 6 and earth OK: 4.8 - 5.2 VOK OK Check the harness wire between accelerator pedal positionsensor (2nd channel) and the throttle valve controller, and repair if necessary.NG Repair NG Check the following connector: D-11NG Repair OK Check the harness wire between accelerator pedal positionsensor (2nd channel) and the throttle valve controller.NG Repair OK To the nextpage OK Check the trouble symptoms.NGReplace the throttle valve controller. OK MUT- IIData list 77 Acceleratorpedal positionsensor (2nd channel) (Refer to P. 13A-198, DATA LIST REFERENCE TABLE.) Check the following connector: D-11 www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk