2022 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

Electrical Specification

G13626704Courtesy of SUBARU OF AMERICA, INC.
Description Connect or No. Terminal No. Signal (V) Note
Ignition SW ON After warm-up (at engine OFF) Engine ON After warm-up (at idle)
Crankshaft position sensor Signal E53 66 5 0 or 5 Waveform 1, 6 and 10
Power supply E53 40 5 5 -
Ground E53 68 0 0 -
Intake camshaft position sensor RH E53 78 0 or 5 0 or 5 Waveform 1
LH E53 77 0 or 5 0 or 5 Waveform 1
Exhaust camshaft position sensor RH E53 65 0 or 5 0 or 5 Waveform 1
LH E53 64 0 or 5 0 or 5 Waveform 1
Camshaft position sensor ground E53 51 0 0 -
Front oxygen (A/F) sensor (+) signal E53 3 2.8 - 3.2 2.8 - 3.2 Waveform 2
(-) signal E53 4 1.3 - 3.1 2.4 - 2.7 Waveform 2
Heater signal E53 88 Battery voltage 0 or battery voltage Waveform 4
Rear oxygen sensor (+) signal E53 14 2.7 - 3 Waveform Waveform 3
(-) signal E53 15 1.9 - 2 Waveform Waveform 3
Heater signal E53 7 Battery voltage 0 or battery voltage Waveform 4
Oxygen sensor shield E53 45 0 0 -
Air flow sensor signal B62 32 0 or 5 0 or 5 Waveform 9
Intake air temperature sensor signal B62 43 1.9 - 4.5 1.9 - 4.5 -
Engine coolant temperature sensor signal E53 34 1 - 1.4 1 - 1.4 -
Engine oil temperature sensor signal E53 46 1 - 1.4 1 - 1.4 -
Manifold absolute pressure sensor signal E53 69 3 - 3.9 1.2 - 2.04 -
Knock sensor RH Signal E53 5 2.4 - 2.6 2.1 - 2.8 -
Ground E53 18 0 0 -
Knock sensor LH Signal E53 6 2.4 - 2.6 2.4 -
Ground E53 19 0 0 -
Knock sensor Shield E53 16 0 0 -
Accelerator pedal position sensor Main signal B62 66 Fully closed: 0.3 - 1.1
Fully open: 2.3 - 3.8		 Fully closed: 0.3 - 1.4
Fully open: 2.4 - 3.8		 Waveforms 2 and 3
Main power supply B62 51 5 5 -
Main ground B62 55 0 0 -
Sub signal B62 64 Fully closed: 0.3 - 1.1
Fully open: 2.3 - 3.8		 Fully closed: 0.3 - 1.4
Fully open: 2.3 - 3.8		 -
Sub power supply B62 52 5 5 -
Sub ground B62 65 0 0 -
Intake oil control solenoid RH E53 99 Battery voltage 0 or battery voltage Waveform 5
LH E53 100 Battery voltage 0 or battery voltage Waveform 5
Exhaust oil control solenoid RH E53 108 Battery voltage 0 or battery voltage Waveform 5
LH E53 109 Battery voltage 0 or battery voltage Waveform 5
Purge control solenoid valve E53 9 Battery voltage Battery voltage Operating: 0
Leak check valve assembly Switching valve E53 26 Battery voltage Battery voltage Operating: 0
Pressure sensor B62 62 1 - 4 1 - 4 When ignition switch is turned to ON: atmospheric pressure
Vacuum pump E53 25 Battery voltage Battery voltage Operating: 0
Ignition coil #1 E53 10 0 0 or 5 Waveform 6
#2 E53 11 0 0 or 5 Waveform 6
#3 E53 12 0 0 or 5 Waveform 6
#4 E53 13 0 0 or 5 Waveform 6
Fuel pressure sensor Signal 1 E53 56 0.8 - 1.6 0.8 - 1.6 -
Signal 2 E53 50 3 - 3.8 3 - 3.8 -
High-pressure fuel pump (+) signal E53 105 - - Measurement prohibited
(-) signal E53 114 - - Measurement prohibited
Fuel injector (for cylinder direct injection) #1 (+) E53 87 2 - 3 - Measurement is prohibited while the engine is running.
#1 (-) E53 96 2 - 3 -
#2 (+) E53 86 2 - 3 -
#2 (-) E53 95 2 - 3 -
#3 (+) E53 84 2 - 3 -
#3 (-) E53 93 2 - 3 -
#4 (+) E53 85 2 - 3 -
#4 (-) E53 94 2 - 3 -
Fuel injector (for port injection) #1 E53 98 Battery voltage Waveform Waveform 10
#2 E53 97 Battery voltage Waveform
#3 E53 107 Battery voltage Waveform
#4 E53 106 Battery voltage Waveform
Electronic throttle control sensor Main signal E53 29 Approx. 0.7 Approx. 0.6 - 1.2 Fully closed: Approx. 0.6 - 1.2
Fully open: Approx. 3.8 - 4.4
Sub signal E53 43 Approx. 1.6 Approx. 1.5 - 1.7 Fully closed: Approx. 1.4 - 2
Fully open: Approx. 4 - 4.6
Shield E53 44 0 0 -
Motor (+) E53 83 0 or battery voltage 0 or battery voltage Drive frequency: 500 Hz
Motor (-) E53 92 0 or battery voltage 0 or battery voltage Drive frequency: 500 Hz
Power supply E53 27 5 5 -
Ground E53 30 0 0 -
A/C relay control B62 18 ON: 0.5 V or less
OFF: Battery voltage		 ON: 0.5 V or less
OFF: Battery voltage		 -
A/C middle pressure switch B62 49 ON: 0
OFF: Battery voltage		 ON: 0
OFF: Battery voltage		 -
Self-shutoff relay control B62 12 0 0 -
Starter relay control B62 2 Waveform Waveform Waveform 8
Starter cut relay control B62 24 Waveform Waveform Waveforms 7 and 8
Fuel pump relay control B62 31 ON: 0 or battery voltage OFF: 0 ON: 0
OFF: Battery voltage		 -
Main fan motor B62 19 Battery voltage Battery voltage ON: 0
Neutral position switch B62 39 ON: 0
OFF: Battery voltage		 0 -
Delivery mode switch B62 57 Battery voltage Battery voltage When fuse is installed: 0
Starter switch B62 25 Waveform Waveform Waveform 7
Starter switch 2 B62 27 Waveform Waveform Waveform 7
Accessory cut request B62 34 Waveform Waveform Waveform 7
Engine speed output B62 21 Waveform Waveform Waveform 8
Clutch start switch B62 37 When clutch pedal is depressed: Battery voltage When clutch pedal is released: 0 When clutch pedal is depressed: Battery voltage When clutch pedal is released: 0 MT model
Clutch switch B62 28 When clutch pedal is depressed: 0 When clutch pedal is released: Battery voltage When clutch pedal is depressed: 0 When clutch pedal is released: Battery voltage MT model
Brake switch 1 (Brake switch) B62 36 When brake pedal is depressed: 0 When brake pedal is released: Battery voltage When brake pedal is depressed: 0 When brake pedal is released: Battery voltage -
Brake switch 2 (Stop light switch) B62 38 When brake pedal is depressed: Battery voltage When brake pedal is released: 0 When brake pedal is depressed: Battery voltage When brake pedal is released: 0 -
Cruise control command switch B62 40 When operating nothing: 5
When operating RES/ACC: 0.5 - 1.5
When operating SET/COAST: 1.5 - 2.5
When operating MAIN SW: 0 - 0.5
When operating CANCEL: 2.5 - 3.5		 When operating nothing: 5
When operating RES/ACC: 0.5 - 1.5
When operating SET/COAST: 1.5 - 2.5
When operating MAIN SW: 0 - 0.5
When operating CANCEL: 2.5 - 3.5		 Model without EyeSight
LIN communication B62 17 - - -
Immobilizer communication B62 6 - - -
CAN communication (P/U1 CAN) HI B62 3 - - -
LO B62 14 - - -
CAN communication ((I)_P/U2 CAN) HI B62 4 - - -
LO B62 15 67 - - -
Control module power supply B62 67 Battery voltage Battery voltage -
B62 68 Battery voltage Battery voltage -
Backup power supply B62 1 Battery voltage Battery voltage Ignition switch OFF: Battery voltage
Sensor power supply B62 53 5 5 -
E53 41 5 5 -
Ground Body B62 50 0 0 -
Sensor B62 54 0 0 -
E53 58 0 0 -
Engine 1 B62 71 0 0 -
Engine 2 B62 72 0 0 -
Engine 3 B62 69 0 0 -
Engine 4 B62 70 0 0 -
NOTE:
  • After engine is warmed up, attach the check board for measurement.
  • Set the select lever in "P" range or "N" range, or the shift lever in neutral.
  • Turn the A/C to OFF.
  • Turn all the accessory switches to OFF.
  • Waveforms vary depending on a measurement environment and vehicle condition.
  • Oscilloscope waveform illustrated here is an example for reference. Noise and chattering in waveform are omitted.
  1. Waveform 1
    G16527728Courtesy of SUBARU OF AMERICA, INC.
    Measured terminal Crankshaft position sensor signal (E53) No. 66 (+) - Engine ground 3 (B62) No. 69 (-):
    Intake camshaft position sensor RH (E53) No. 78 (+) - Engine ground 3 (B62) No. 69 (-):
    Intake camshaft position sensor LH (E53) No. 77 (+) - Engine ground 3 (B62) No. 69 (-):
    Exhaust camshaft position sensor RH (E53) No. 65 (+) - Engine ground 3 (B62) No. 69 (-):
    Exhaust camshaft position sensor LH (E53) No. 64 (+) - Engine ground 3 (B62) No. 69 (-):
    Measuring condition While engine idling
  2. Waveform 2
    G16527729Courtesy of SUBARU OF AMERICA, INC.
    Measured terminal Front oxygen (A/F) sensor (+) signal (E53) No. 3 (+) - Engine ground 3 (B62) No. 69 (-):
    Front oxygen (A/F) sensor (-) signal (E53) No. 4 (-) - Engine ground 3 (B62) No. 69 (-):
    Accelerator pedal position sensor main signal (B62) No. 66 (+) - Engine ground 3 (B62) No. 69 (-):
    Measuring condition (a) Accelerator pedal fully closed (b) Accelerator pedal fully opened
  3. Waveform 3
    G16527730Courtesy of SUBARU OF AMERICA, INC.
    Measured terminal Rear oxygen sensor signal (E53) No. 14 (+) - Rear oxygen sensor (-) signal (E53) No. 15 (-):
    Accelerator pedal position sensor main signal (B62) No. 66 (+) - Engine ground 3 (B62) No. 69 (-):
    Measuring condition (a) Accelerator pedal fully closed (b) Accelerator pedal fully opened
  4. Waveform 4
    G16527731Courtesy of SUBARU OF AMERICA, INC.
    Measured terminal Front oxygen (A/F) sensor heater signal (E53) No. 88 (+) - Engine ground 3 (B62) No. 69 (-):
    Rear oxygen sensor heater signal (E53) No. 7 (+) - Engine ground 3 (B62) No. 69 (-):
    Measuring condition While engine idling
  5. Waveform 5
    G16527732Courtesy of SUBARU OF AMERICA, INC.
    Measured terminal Intake oil control solenoid RH (E53) No. 99 (+) - Engine ground 3 (B62) No. 69 (-):
    Intake oil control solenoid LH (E53) No. 100 (+) - Engine ground 3 (B62) No. 69 (-):
    Exhaust oil control solenoid RH (E53) No. 108 (+) - Engine ground 3 (B62) No. 69 (-):
    Exhaust oil control solenoid LH (E53) No. 109 (+) - Engine ground 3 (B62) No. 69 (-):
    Measuring condition While engine idling
  6. Waveform 6
    G16527733Courtesy of SUBARU OF AMERICA, INC.
    Measured terminal Crankshaft position sensor signal (E53) No. 66 (+) - Engine ground 3 (B62) No. 69 (-):
    Ignition coil #1 (E53) No. 10 (+) - Engine ground 3 (B62) No. 69 (-):
    Ignition coil #2 (E53) No. 11 (+) - Engine ground 3 (B62) No. 69 (-):
    Ignition coil #3 (E53) No. 12 (+) - Engine ground 3 (B62) No. 69 (-):
    Ignition coil #4 (E53) No. 13 (+) - Engine ground 3 (B62) No. 69 (-):
    Measuring condition While engine idling
  7. Waveform 7
    G16527734Courtesy of SUBARU OF AMERICA, INC.
    Measured terminal Starter switch (B62) No. 25 (+) - Engine ground 3 (B62) No. 69 (-):
    Starter switch 2 (B62) No. 27 (+) - Engine ground 3 (B62) No. 69 (-):
    Starter cut relay control (B62) No. 24 (+) - Engine ground 3 (B62) No. 69 (-):
    Accessory cut request (B62) No. 34 (+) - Engine ground 3 (B62) No. 69 (-):
    Measuring condition When engine is started
  8. Waveform 8
    G16527735Courtesy of SUBARU OF AMERICA, INC.
    Measured terminal Starter cut relay control (B62) No. 24 (+) - Engine ground 3 (B62) No. 69 (-):
    Starter relay control (B62) No. 2 (+) - Engine ground 3 (B62) No. 69 (-):
    Engine speed output (B62) No. 21 (+) - Engine ground 3 (B62) No. 69 (-):
    Ignition switch (B62) No. 56 (+) - Engine ground 3 (B62) No. 69 (-):
    Measuring condition When engine is started
  9. Waveform 9
    G16527736Courtesy of SUBARU OF AMERICA, INC.
    Measured terminal Air flow sensor signal (B62) No. 32 (+) - Engine ground 3 (B62) No. 69 (-):
    Measuring condition While engine idling
  10. Waveform 10
G16527737Courtesy of SUBARU OF AMERICA, INC.
Measured terminal Crankshaft position sensor signal (E53) No. 66 (+) - Engine ground 3 (B62) No. 69 (-):
Fuel injector (for port injection) #1 (+) (E53) No. 98 (+) - Engine ground 3 (B62) No. 69 (-):
Fuel injector (for port injection) #2 (+) (E53) No. 97 (+) - Engine ground 3 (B62) No. 69 (-):
Fuel injector (for port injection) #3 (+) (E53) No. 107 (+) - Engine ground 3 (B62) No. 69 (-):
Fuel injector (for port injection) #4 (+) (E53) No. 106 (+) - Engine ground 3 (B62) No. 69 (-):
Measuring condition When engine is started
G16527738Courtesy of SUBARU OF AMERICA, INC.
G16527739Courtesy of SUBARU OF AMERICA, INC.
G16527740Courtesy of SUBARU OF AMERICA, INC.
G16527741Courtesy of SUBARU OF AMERICA, INC.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.