5. Engine Control Module (ECM) I/O Signal

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1 5. A: ELECTRICAL SPECIFICATION B134 B135 B136 B EN Crankshaft position Rear oxygen Signal (+) B Signal ( ) B Shield B Signal B Shield B B Front Signal 1 B oxygen (A/F) heater Signal 2 B Rear oxygen heater B Engine coolant temperature Signal B After engine is warmed-up. B After engine is warmed-up. Vehicle speed B or 5 0 or 5 Air flow Intake air temperature Tumble generator position RH 5 and 0 are repeatedly displayed when vehicle is driven. Signal B Shield B B B Signal B Fully closed: Fully open: Power B B EN(H4DOTC)(diag)-18

2 ENGINE (DIAGNOSTICS) Tumble generator position LH Signal B Fully closed: Fully open: Power B B Tumble generator RH (open) B or or Tumble generator RH (close) B or or Tumble generator LH (open) B or or Tumble generator LH (close) B or or Wastegate control solenoid B or or Starter switch B Cranking: 8 14 A/C switch B ON: ON: Ignition switch B Neutral position switch B ON: ON: Test mode connector B When connected: 0 Knock Signal B Shield B Back-up power B Ignition switch OFF : B Control module power B Sensor power B Ignition control Fuel injector Fuel pump control unit #1 B Waveform #2 B Waveform #3 B Waveform #4 B Waveform #1 B Waveform #2 B Waveform #3 B Waveform #4 B Waveform Signal 1 B or 5 0 or 5 Signal 2 B A/C relay control B136 9 Radiator fan relay 1 control B Radiator fan relay 2 control B or less OFF: or less OFF: or less OFF: or less OFF: or less OFF: or less OFF: Model with A/C only Malfunction indicator light B Light ON : 1 or less Light OFF : Engine speed output B or more Waveform Purge control solenoid 1 B OFF: OFF: EN(H4DOTC)(diag)-19

3 Purge control solenoid 2 Manifold absolute Fuel tank Pressure control solenoid B136 7 OFF: OFF: Signal B Power B B Signal B The operates when Power B fuel filler cap is removed and reinstalled. B B Drain B OFF: OFF: OFF: OFF: Fuel level B Fuel temperature B Blow-by leak diagnosis B Small light switch B Blower fan switch B Rear defogger switch B Power steering oil switch Front oxygen (A/F) (+) Front oxygen (A/F) ( ) Front oxygen (A/F) shield SSM/GST communication line OFF: OFF: OFF: B OFF: OFF: OFF: OFF: Ambient temperature: 25 C (77 F) At the time of open circuit (fault): 5 B B B B Ground (engine 4) B Ground (ignition system 1) B Ground (ignition system 2) B Ground (engine 3) B Ground (engine 1) B Ground (engine 5) B Ground (engine 2) B Camshaft position (LH) Camshaft position (RH) B B OFF: OFF: EN(H4DOTC)(diag)-20

4 ENGINE (DIAGNOSTICS) Electronic throttle control Main B Sub B Fully opened: Fully opened: (After engine is warmed-up.) (After engine is warmed-up.) Fully closed: 0.6 Fully opened: Fully opened: 4.17 Power B Ground B motor (+) B137 5 Duty waveform Duty waveform Drive frequency: 500 Hz motor ( ) B137 4 Duty waveform Duty waveform Drive frequency: 500 Hz motor power B motor relay B Oil flow control solenoid (LH) Oil flow control solenoid (RH) Accelerator pedal position Signal (+) B ON: ON: Signal ( ) B Signal (+) B ON: ON: Signal ( ) B Main Main power (main ) Sub Sub power Ground (Sub ) B B B B Main light B135 6 Cruise control set light B135 3 Clutch switch B SET/COAST switch B Brake switch 1 B B B OFF: OFF: When clutch pedal is When clutch pedal is released: ON: released: OFF: OFF: When clutch pedal is When clutch pedal is released: ON: released: EN(H4DOTC)(diag)-21

5 Brake switch 2 B Main switch B CAN communication Secondary air piping depressed: released: 0 ON: depressed: released: 0 ON: Signal (+) B Pulse Signal ( ) B Pulse Signal B Power Secondary air combination relay 1 Secondary air combination relay 2 Secondary air pump relay B B B B B136 8 OFF: OFF: OFF: OFF: OFF: OFF: EN(H4DOTC)(diag)-22

5. Engine Control Module (ECM) I/O Signal

5. Engine Control Module (ECM) I/O Signal 5. Engine Control Module (ECM) I/O Signal A: ELECTRICAL SPECIFICATION B134 B135 B136 B137 17 16 15 14 13 12 11 10 9 8 27 26 25 24 23 22 21 20 19 18 34 33 32 31 30 29 28 19 18 17 16 15 14 13 12 11 10 9

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