GDI -Troubleshooting 13A-136 OK Measure at air flow sensor connector B-120. DUse the test harness (MB991709) to connect only terminals 5 and 6, and then measure at the pickup harness. DIgnition switch: ON DVoltage between terminal 6 and earth OK: Ambient temperature 0_C 3.2 - 3.8 V Ambient temperature 20_C 2.3 - 2.9 V Ambient temperature 40_C 1.5 - 2.1 V Ambient temperature 80_C 0.4 - 1.0 VNGCheck the following connectors: D-120, D-121NG Repair OK Check the harness between the air flow sensor and the engine-A/T-ECU, and repair if necessary. OK Check the trouble symptoms.NGReplace the engine-A/T-ECU. From the previouspage www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-137 Code No.14 Throttle position sensor (2nd channel) systemProbable cause The throttle valve controller judges a malfunction, and then transmit the result to the engine-A/T-ECU. Range of Check DIgnition switch: ON DThe throttle position sensor (1st channel) is normal. Set Conditions DThe sensor output voltage is 0.2 V or less for four seconds. or DThe sensor output voltage is 4.85 V or more and the throttle position sensor (1st channel) output voltage is 1.2 V or more for four seconds. or DThe throttle position sensor (1st channel) and throttle position sensor (2nd channel) combination output voltage is outside 4 - 6 V.DMalfunction of throttle position sensor (2nd channel) DOpen or short circuit in the throttle position sensor (2nd channel) circuit or loose connector contact DMalfunction of throttle valve controller DMalfunction of engine-A/T-ECU OK Check the harness wire between the the throttle position sensor and the throttle valve controller, and repair if necessary. MUT- IIData list 14 Throttle position sensor (2nd channel) (Refer to P.13A-198, DATA LIST REFERENCE TABLE.)OKTransient malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions.) NG Check the throttle position sensor (2nd channel). (Refer to P.13A-228.)NG Replace OK (1) NG Measure at throttle valve controller connector D-11. DMeasure voltage at the throttle valve controller connector terminals. DIgnition switch: ON DVoltage between terminal 6 and earth OK: 4.8 - 5.2 VOKCheck the following connector: D-11 NG Repair NG Check the following connector: D-11NG Repair OK Check the trouble symptoms.NGReplace the throttle valve controller. NG Check the following connector: B-102NG Repair (2) NGCheck the following connector: D-11NGRepair OK Check the harness wire between the the throttle position sensor and the throttle valve controller.NG Repair OK Check the harness wire between the the throttle position sensor and the throttle valve controller.NG Repair OK Check the trouble symptoms.NGReplace the throttle valve controller. OK To the nextpage Measure at throttle position sensor connector B-102. DDisconnect the connector and measure at the harness side. (1) Voltage between terminal 1 and earth (Ignition switch: ON) OK: 4.8 - 5.2 V (2) Resistance between terminal 3 and earth OK: 2Wor less www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-138 OK Measure at throttle valve controller connector D-121. DMeasure voltage at the throttle valve controller connector terminals. DIgnition switch: ON DVoltage between terminal 7 and earth OK: Acceleratorpedalfully re- leased: 0.4 - 0.8 V Acceleratorpedalfully de- pressed: 4.2 - 4.8 VNGCheck the following connector: D-121NG Repair OK Check the harness wire between the the throttle position sensor (2nd channel) and the throttle valve controller, and repair if necessary. OK Check the following connector: D-121 OK Check the trouble symptoms. NG Replace the engine-A/T-ECU. From the previouspage NG Repair OK Measure at throttle position sensor connector B-102. DUse test harness (MB991536) to connect the connector, and measure at the pick-up harness. DIgnition switch: ON (1) Voltage between terminal 1 and earth OK: 4.8 - 5.2 V (2) Voltage between terminal 3 and earth OK: 0.5 V or less (3) Voltage between terminal 4 and earth OK: Acceleratorpedalfully re- leased: 4.0 V or more Acceleratorpedalfully de- pressed: 0.4 - 0.6 V(1) NGCheck the following connector: D-11NG Repair (2) NG OK Check the harness wire between the the throttle position sensor (2nd channel) and the throttle valve controller, and repair if necessary. (3) NG Adjust the throttle position sensor. (Refer to P.13A-220.) Check the following connector: D-121NG Repair OK Check the harness wire between the the throttle position sensor (2nd channel) and the throttle valve controller, and repair if necessary. Code No.21 Engine coolant temperature sensor systemProbable cause Range of Check DEngine: Two seconds after theengine has beenstarted Set Conditions DThe sensor output voltage is 4.6 V or more for four seconds (equivalent to -45_C of engine coolant temperature) or DThe sensor output voltage is 0.1 V or less for four seconds (equivalent to 140_C of engine coolant temperature)DMalfunction of engine coolant temperaturesensor DOpen or short circuit in theengine coolant temperature sensor circuit or loose connector contact DMalfunction of engine-A/T-ECU Range of Check DEngine: After starting Set Conditions DThe engine coolant temperature has reduced fromover 40_C to less than 40_C, and that condition has lasted for five minutes or more. www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-139 OK Check the harness wire between the engine coolant temperaturesensor and the engine-A/T-ECU. MUT- IIData list 21 Engine coolant temperature sensor OK: When the engine iscold, the temperature is roughly the same asambient tem- perature. If warm, it is 80 - 120_C.OKTransient malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions.) NG NG Replace OK Measure at engine coolant temperature sensor connector B-56. DDisconnect the connector and measure at the harness side. (1) Voltage between terminal 1 and earth (Ignition switch: ON) OK: 4.8 - 5.2 V (2) Resistance between terminal 2 and earth OK: 2Wor less(1) NGMeasure at engine-ECU connector D-120. DMeasure the voltage at the engine-A/T-ECU terminal. DDisconnect connector B-56. DIgnition switch: ON DVoltage between terminal 44 and earth OK: 4.8 - 5.2 VOKCheck the following connector: D-120 NG Repair NG NG Repair OK Check the trouble symptoms.NGReplace the engine-A/T-ECU. OK Check the following connector: B-56NG Repair (2) NG OKRepair OK Check the harness wire between the engine coolant temperaturesensor and the engine-A/T-ECU.NG Repair NG Check the harness wire between the engine coolant temperaturesensor and the engine-A/T-ECU.NG Repair OK Check the trouble symptoms.NGReplace the engine-A/T-ECU. OK To the nextpage Measure at engine coolant temperature sensor connector B-56. DDisconnect the connector and measure at the harness side. DResistance between terminals 1 and 2 OK: At 20_C of engine coolant temperature: 2.1 - 2.7 kW At 80_C of engine coolant temperature: 0.26 - 0.36 kW Check the following connector: D-120 Check the following connector: D-121 www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-140 OK Measure at engine coolant temperature sensor connector B-56. DUse test harness (MB991658) to connect the connector, and measure at the pick-up harness. DIgnition switch: ON DVoltage between terminal 1 and earth OK: At 0_C of engine coolant temperature: 3.2 - 3.8 V At 20_C of engine coolant temperature: 2.3 - 2.9 V At 40_C of engine coolant temperature: 1.3 - 1.9 V At 80_C of engine coolant temperature: 0.3 - 0.9 VNGCheck theengine coolant temperature sensor. (Refer to P.13A-227.)NG Repair OK Check the harness wire between the engine coolant temperaturesensor and the engine-A/T-ECU, and repair if necessary. OK Check the trouble symptoms.NGReplace the engine-A/T-ECU. OK Check the following connectors: D-120, D-121NG Repair From the previouspage Code No.22 Crank angle sensor systemProbable cause Range of Check DEngine is cranking Set Conditions DSensor output voltage does not change for 4 seconds (no pulse signal input).DMalfunction of the crankanglesensor. DOpen or short circuit in the crankanglesensor circuit or loose connector contact. DMalfunction of engine-A/T-ECU www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-141 OK Check the harness wire between the crankanglesensor and the engine-A/T-ECU, and repair if necessary. MUT- IIData list 22 Crankanglesensor (Refer to P.13A-198, DATA LIST REFERENCE TABLE.)OKIntermittent malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions.) OK Measure at the crankanglesensor connector B-52. DDisconnect the connector and measure at the harness side. (1) The resistance between terminal 1 and earth OK: 2Wor less (2) The voltage between terminal 2 and earth (Ignition switch: ON) OK: 4.8 - 5.2 V (3) The voltage between terminal 3 and earth (Ignition switch: ON) OK: System voltage(1) NGCheck the harness between the crankanglesensor and earth, and repair if necessary. NG Repair NG Check the following connector: D-120NG Repair NG Check the following connector: B-52NG Repair (2) NGMeasure at engine-A/T-ECU connector D-120. DMeasure the voltage at the engine-A/T-ECU terminal. DDisconnect the connector B-52 DIgnition switch: ON DThe voltage between terminal 45 and earth. OK: 4.8 - 5.2 VOKCheck the following connector : D-120 Check the following connector: B-25XNG Repair OK Check the harness wire between the crankanglesensor and the engine-A/T-ECU.NG Repair OK Check the trouble symptoms.NGReplace the engine-A/T-ECU. (3) NG OK Check the harness wire between the crankanglesensor and theengine control relay, and repair if necessary.OK Use an analyzer to measure the output waveform at the crankangle sensor connector B-52. DUse the test harness (MD998478) to connect the connector, and measure at the pickup harness side. DEngine: Idling DThe voltage between terminal 2 and earth OK: A normal waveform should be displayed as described on P.13A-212 (Inspection Procedure Using an Ana- lyzer). Its maximum value should be 4.8 V or more, and its minimumvalue should be 0.6 V or less with no noise in waveformNGCheck the crankanglesensor vaneNG Replace OK Replace the crankanglesensor OK Check the trouble symptoms. NG NG Repair OK Check the harness wires between the crankanglesensor and the engine-A/T-ECU, crankanglesensor and the engine controlrelay, and the crankanglesensor and earth. Then, repair if necessary. OK Check the trouble symptoms. NG Replace the engine-A/T-ECU. Check the following connectors: B-25X, D-120 www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-142 Code No.23 Camshaft position sensor systemProbable cause Range of Check DAfter theengine wasstarted Set Conditions DThe sensor output voltage does not change for 4 seconds (no pulse signal input).DMalfunction of the camshaft position sensor DOpen or short circuit in the camshaft position sensor circuit or loose connector contact. DMalfunction of engine-A/T-ECU www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
GDI -Troubleshooting 13A-143 OK Check the harness wire between the intermediate connector and the engine-A/T-ECU, and repair if necessary.NG Repair NG NG Repair NG Repair (2) NGMeasure at engine-A/T-ECU connector D-120. DMeasure the voltage at the engine-A/T-ECU terminal. DDisconnect connector B-110. DIgnition switch: ON DThe voltage between terminal 50 and earth OK: 4.8 - 5.2 VOKCheck the following connector : D-120 Check the harness wire between the intermediate connector and earth, and repair if necessary. OK Check the harness wire between the intermediate connector and the engine controlrelay, and repair if necessary. (3) NG OK Measure at intermediate connector B-110 DDisconnect the connector and measure at the harness side. (1) The voltage between terminal 1 and earth (Ignition switch: ON) OK: System voltage (2) The voltage between terminal 2 and earth (Ignition switch: ON) OK: 4.8 - 5.2 V (3) The resistance between terminal 3 and earth OK: 2Wor less(1) NGCheck the following connector: B-25XNG Repair OK Replace the camshaft position sensor Check the trouble symptoms. OK NG Repair OK Check the harness wires between the intermediate connector and the engine-A/T-ECU, the intermediate connector and theengine controlrelay, and the intermediate connector and earth. Then, repair if necessary. 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 Use an analyzer to measure the output waveform 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 DThe voltage between terminal 2 and earth OK: A normal waveform should be displayed as described on P.13A-212 (Inspection Procedure Using an Ana- lyzer), its maximum value should be 4.8 V or more, and its minimumvalue should be 0.6 V or less with no noise in waveform.(1) NGCheck the following connector: B-23NG Repair OK Check the harness wire between the camshaft position sensor and the intermediate connector.NG Repair NG Check the camshaft position sensing cylinderNG OK Check the trouble symptoms.Intermittent malfunction (Refer to GROUP 00 - Points to Note for Intermittent Malfunctions.) OK Check the trouble symptoms.NGReplace the engine-A/T-ECU. Replace OK Check the following connector: B-110 Check the following connector: D-120 Check the following connectors: B-25X, D-120 www.WorkshopManuals.co.uk Purchased from www.WorkshopManuals.co.uk
