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Terminals Of ECM

Fig 1: Identifying Terminals Of ECM
G04942633Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT

The standard normal voltage between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated. The result of checks should be compared with the standard normal voltage for that pair of terminals, displayed in the Specified Condition column The illustration above can be used as a reference to identify the ECM terminal locations

TERMINAL DESCRIPTION CHART

Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
A14-7 (BATT) - E3-1 (E1) B - W-B Battery (for measuring battery voltage and for ECM memory) Always 11 to 14 V
E1-1 (+BM)-E3-1 (E1) Y-B - W-B Power source of throttle actuator Always 10 to 14 V
A14-8 (IGSW) - E3-1 (E1) R - W-B Power switch Power switch ON (IG) 11 to 14 V
A13-2 (+B) - E3-1 (E1) B-W - W-B Power source of ECM Power switch ON (IG) 11 to 14 V
A13-1 (+B2) - E3-1 (E1) B-W - W-B Power source of ECM Power switch ON (IG) 11 to 14 V
E2-4 (OE1+) - E2-3 (OE1-) R - L-W Camshaft timing oil control valve (OCV) (for Exhaust Side of Bank D Idling Pulse generation (see  1waveform 1)
E4-18 (OE2+) - E4-28 (OE2-) B-W - Y-B Camshaft timing oil control valve (OCV) (for Exhaust Side of Bank 2) Idling Pulse generation (see  1waveform 1)
A14-3 (MREL) - E3-1 (E1) P - W-B EFI relay (EFI MAIN, EFI MAIN2) Power switch ON (IG) 10 to 14 V
E1-18 (VC) - E1-28 (E2) L-BR Power source for sensor (specific voltage) Power switch ON (IG) 4 5 to 5 0 V
E1-25 (VG) - E1-24 (E2G) B-R - B-W Mass air flow meter (for Bank 1) Idling, Shift position in P or N, A/C switch OFF 0 5 to 3 0 V
E1-23 (VG2) - E1-32 (E2G2) B-R - B-W Mass air flow meter (for Bank 2) Idling, Shift lever position P or N, A/C switch OFF 0 5 to 3 0 V
E1-22 (THA) - E1-28 (E2) B-L - BR Intake air temperature sensor (for Bank 1) Idling, Intake air temperature (bank 1) 0 to 80°C (32 to 176°F) 0 5 to 3 5 V
E1-21 (THA2) - E1-28 (E2) B-L - BR Intake air temperature sensor (for Bank 2) Idling, Intake air temperature (bank 2) 0 to 80°C (32 to 176°F) 0 5 to 3 5 V
E1-19 (THW) - E1-28 (E2) R-L - BR Engine coolant temperature sensor Idling, Engine coolant temperature 60 to 80°C (140 to 176°F) 0 2 to 1 0 V
E2-34 (VCTA) - E2-35 (ETA) R-W Power source for throttle position sensor (specific voltage) Power switch ON (IG) 4 5 to 5 0 V
E2-26 (VTA1) - E2-35 (ETA) G-W Throttle position sensor (for engine control) Power switch ON (IG), Throttle valve fully closed 0 5 to 1 2 V
Power switch ON (IG), Throttle valve fully open 3 2 to 4 8 V
E2-27 (VTA2) - E2-35 (ETA) Y-W Throttle position sensor (for sensor malfunction detection) Power switch ON (IG), Accelerator pedal released 2.1 to 3 1 V
Power switch ON (IG), Accelerator pedal released 4 5 to 5 0 V
E3-5 (HA1A) - E3-4 (E04)
E3-6 (HA2A) - E4-1 (E05)		 B-R - W-B
B-R - W-B		 A/F sensor heater Power switch ON (IG) 11 to 14 V
Idling Pulse generation (see  2waveform 2)
E4-23 (A1A+) - E3-1 (E1) R - W-B A/F sensor Power switch ON (IG) 3 3V*1
E4-21 (A2A+) - E3-1 (E1) B - W-B A/F sensor Power switch ON (IG) 3 3V*1
E4-22 (A1A-) - E3-1 (E1) G - W-B A/F sensor Power switch ON (IG) 3 0V*1
E4-20 (A2A-) - E3-1 (E1) W - W-B A/F sensor Power switch ON (IG) 3 0V*1
A13-4 (HT1B) - A13-5 (E03)
A13-3 (HT2B) - A13-5 (E03)		 R - W-B
GR - W-B		 Heated oxygen sensor heater Power switch ON (IG) 11 to 14 V
Idling Below 3 0 V
A13-26 (OX1B) - E1-28 (E2)
A13-27 (OX2B) - E1-28 (E2)		 B-BR
W-BR		 Heated oxygen sensor Maintain engine speed at 2500 rpm for 2 minutes after warming up sensor Pulse generation (see  3waveform 3)
E4-17 (#10) - E3-1 (E1) G - W-B Injector for port injection Power switch ON (IG) 11 to 14 V
E2-11 (#20) - E3-1 (E1) B - W-B Idling Pulse generation (see  4waveform 4)
E4-16 (#30) - E3-1 (E1) GR - W-B
E2-10 (#40) - E3-1 (E1) W - W-B
E4-15 (#50) - E3-1 (E1) L - W-B
E2-9 (#60) - E3-1 (E1) Y - W-B
E4-14 (#70) - E3-1 (E1) V - W-B
E2-8 (#80) - E3-1 (E1) R - W-B
E3-20 (#1) - E3-1 (E1) G-W - W-B Injector for direct injection Power switch ON (IG) 0 to 5V
E3-10 (#2) - E3-1 (E1) L - W-B Idling Pulse generation (see  5waveform 5)
E3-9 (#3) - E3-1 (E1) G-Y - W-B
E3-19 (#4) - E3-1 (E1) W-R - W-B
E3-8 (#5) - E3-1 (E1) G - W-B
E3-18 (#6) - E3-1 (E1) LG - W-B
E3-17 (#7) - E3-1 (E1) P - W-B
E3-7 (#8) - E3-1 (E1) Y-B - W-B
E2-13 (INJ1) - E3-1 (E1)
E2-12 (INJ2) - E3-1 (E1)		 P-L - W-B
L - W-B		 Fuel injector for direct injection confirmation signal Idling Pulse generation (see  5waveform 5)
E2-15 (INJ3) - E3-1 (E1)
E2-14 (INJ4) - E3-1 (E1)		 P - W-B
LG - W-B		 Fuel injector for direct injection confirmation signal Idling Pulse generation (see  5waveform 5)
E3-26 (KNK1) - E3-33 (EKNK) W-B Knock sensor (for Bank 1 Sensor D Maintain engine speed at 2500 rpm after warming up Pulse generation (see  6waveform 6)
E3-25 (KNK2) - E3-32 (EKN2) G-R Knock sensor (for Bank 2 Sensor D Maintain engine speed at 2500 rpm after warming up Pulse generation (see  6waveform 6)
E3-24 (KNK3) - E3-31 (EKN3) W-B Knock sensor (for Bank 1 Sensor 2) Maintain engine speed at 2500 rpm after warming up Pulse generation (see  6waveform 6)
E3-23 (KNK4) - E3-30 (EKN4) G-R Knock sensor (for Bank 2 Sensor 2) Maintain engine speed at 2500 rpm after warming up Pulse generation (see  6waveform 6)
E2-25 (VV1+) - E2-33 (VV1-) Y-R Variable valve timing (VVT) sensor (for Intake Side of Bank 1) Idling Pulse generation (see  7waveform 7)
E4-19 (VV2+) - E4-29 (VV2-) R-W Variable valve timing (VVT) sensor (for Intake Side of Bank 2) Idling Pulse generation (see  7waveform 7)
E1-26 (EV1+) - E1-33 (EV1-) LG - L-Y Variable valve timing (VVT) sensor (for Exhaust Side of Bank D Idling Pulse generation (see  8waveform 8)
E3-22 (EV2+) - E3-29 (EV2-) B-Y-R Variable valve timing (VVT) sensor (for Exhaust Side of Bank 2) Idling Pulse generation (see  8waveform 8)
E2-24 (G2+) - E2-32 (G2-) Y-R Camshaft position sensor Idling Pulse generation (see  9waveform 9)
E1-27 (NE+) - E1-34 (NE-) W-B Crankshaft position sensor Idling Pulse generation (see  7waveform 7,  8 8,  9 9)
E4-27 (IGT1) - E3-1 (E1) G-B - W-B Ignition coil (ignition signal) Idling Pulse generation (see  10waveform 10)
E2-23 (IGT2) - E3-1 (E1) L-W - W-B
E4-26 (IGT3) - E3-1 (E1) L-Y - W-B
E2-22 (IGT4) - E3-1 (E1) LG - W-B
E4-25 (IGT5) - E3-1 (E1) R - W-B
E2-21 (IGT6) - E3-1 (E1) R-L - W-B
E4-24 (IGT7) - E3-1 (E1) P-L - W-B
E2-20 (IGT8) - E3-1 (E1) B-W - W-B
E4-32 (IGF1) - E3-1 (E1)
E2-28 (IGF2) - E3-1 (E1)		 LG - W-B
G-B - W-B		 Ignition coil (ignition confirmation signal) Power switch ON (IG) 4 5 to 5 0 V
Idling Pulse generation (see  10waveform 10)
E1-17 (PRG) - E3-1 (E1) R-Y - W-B Purge VSV Power switch ON (IG) 10 to 14 V
Idling Pulse generation (see  11waveform 11)
E2-7 (M+) - E2-6 (M-) W-B Throttle actuator Idling with warm engine Pulse generation (see  12waveform 12)
A14-5 (FC) - E3-1 (E1) G - W-B CIRCUIT OPENING relay (C/ OPN) Power switch ON (IG) 11 to 14 V
Idling 0 to 3 0 V
A14-6 (FPR) - E3-1 (E1) Y - W-B FUEL PUMP relay (F/PMP) Power Switch ON (IG) 11 to 14 V
A14-11 (W) - E3-1 (E1) Y - W-B MIL Power switch ON (IG) Below 3 0V
Idling 0 to 14 V
A13-21 (TC) - E3-1 (E1) P - W-B Terminal TC of DLC3 Power switch ON (IG) 11 to 14 V
A14-15 (TACH) - E3-1 (E1) BR - W-B Engine speed Idling Pulse generation (see  13waveform 13)
E1-16 (VPMP) - E3-1 (E1) R - W-B Vent valve (built into canister pump module) Power switch ON (IG) 11 to 14 V
E1-15 (MPMP) - E3-1 (E1) G - W-B Leak detection pump (built into canister pump module) Leak detection pump OFF 0 to 3 0 V
Leak detection pump ON 11 to 14 V
E1-31 (PPMP) - E1-28 (E2) W-BR Canister pressure sensor (built into canister pump module) Power switch ON (IG) 3 to 3 6 V
E4-10 (FPF1) - E3-1 (E1) V - W-B Fuel pump for high pressure (spill control valve for Bank 1) Idling Pulse generation (see  14waveform 14)
E4-11 (FPD) - E3-1 (E1) R-L - W-B Fuel pump for high pressure (spill control valve for Bank 1) Idling Pulse generation (see  14waveform 14)
E4-12 (FPF2) - E3-1 (E1) GR - W-B Fuel pump for high pressure (spill control valve for Bank 2) Idling Pulse generation (see  15waveform 15)
E4-13 (FPD2) - E3-1 (E1) L-Y - W-B Fuel pump for high pressure (spill control valve for Bank 2) Idling Pulse generation (see  15waveform 15)
E3-27 (PR) - E1-28 (E2) L-Y - BR Fuel pressure sensor Idling 1 8 to 2 3 V
A13-14 (CANH) - E3-1 (E1) B - W-B CAN communication line Power switch ON (IG) Pulse generation (see  16waveform 16)
A13-13 (CANL) - E3-1 (E1) W - W-B CAN communication line Power switch ON (IG) Pulse generation (see  17waveform 17)
E4-7 (ASM+) - E4-6 (ASM-) L-P Intake air control valve actuator When the engine is applied to high load with warm engine Pulse generation (see  18waveform 18)
A14-4 (IREL) - E3-1 (E1) W - W-B INJ1, INJ2 relay Immediately after turning the power switch OFF to ON (IG) 11 to 14 V
A14-25 (KSW) - E3-1 (E1) P - W-B Park/Neutral position switch signal Power switch OFF → ON (IG) 0 to 40 V
E4-9 (EMD1) - E3-1 (E1) W - W-B Camshaft timing control motor signal Idling Pulse generation (see  19waveform 19)
E2-31 (EMD2) - E3-1 (E1) W-R - W-B Camshaft timing control motor signal Idling Pulse generation (see  19waveform 19)
E4-30 (EMR1) - E3-1 (E1) Y - W-B Camshaft timing control motor signal Idling Pulse generation (see  20waveform 20)
E2-29 (EMR2) - E3-1 (E1) Y-B - W-B Camshaft timing control motor signal Idling Pulse generation (see  20waveform 20)
E4-8 (EDT1) - E3-1 (E1) R - W-B Camshaft timing control motor signal Idling Pulse generation (see  21waveform 21)
E2-16 (EDT2) - E3-1 (E1) G-R - W-B Camshaft timing control motor signal Idling Pulse generation (see  21waveform 21)
E4-31 (EMF1) - E3-1 (E1) G - W-B Camshaft timing control motor signal Idling 0 3 to 1 3 V
E2-30 (EMF2) - E3-1 (E1) G-W - W-B Camshaft timing control motor signal Idling 0 3 to 1 3 V
A13-28 (DSVR) - E3-1 (E1) L - W-B Fuel relief valve relay Fuel relief valve relay OFF 11 to 14 V
Fuel relief valve relay ON 0 to 3 V
A13-35 (HCC1) - E3-1 (E1) R - W-B HCAC VSV Vacuum switching valve OFF 9 to 14 V
Vacuum switching valve ON 0 to 3 V
E1-8 (CCV2) - E3-1 (E1) G - W-B Fuel vapor-containment valve Close valve ON (Open) Below 10 V
Close valve OFF (Close) 10 to 14 V
E1-30 (THE1) - E1-28 (E2) G-BR Exhaust gas temperature sensor (for Bank 1 Sensor 1) Engine warmed up, idling 0 to 5V
E1-29 (THE2) - E1-28 (E2) L-BR Exhaust gas temperature sensor (for Bank 2 Sensor 1) Engine warmed up, idling 0 to 5V
A14-31 (THE3) - E1-28 (E2) R-BR Exhaust gas temperature sensor (for Bank 1 Sensor 2) Engine warmed up, idling 0 to 5V
A14-30 (THE4) - E1-28 (E2) V-BR Exhaust gas temperature sensor (for Bank 2 Sensor 2) Engine warmed up, idling 0 to 5V
A13-34 (PTNK) - E1-28 (E2) P-BR Fuel tank pressure sensor Power switch ON (IG) 0 5 to 4 5 V
A14-19 (GO1) - E3-1 (E1) B - W-B Hybrid vehicle control ECU (camshaft revolution signal) Idling Pulse generation (see  22waveform 22)
A14-27 (NEO1) - E3-1 (E1) G - W-B Hybrid vehicle control ECU (crankshaft revolution signal) Idling Pulse generation (see  23waveform 23)
A13-12 (CA1H) - E3-1 (E1) B - W-B*2
Y - B-W*3		 CAN communication line Power switch ON (IG) Pulse generation (see  16waveform 16)
A13-11 (CA1L) - E3-1 (E1) W - W-B*2
L - B-W*3		 CAN communication line Power switch ON (IG) Pulse generation (see  17waveform 17)
A13-18 (CA2H) - E3-1 (E1) R - W-B CAN communication line Power switch ON (IG) Pulse generation (see  16waveform 16)
A13-17 (CA2L) - E3-1 (E1) G - W-B CAN communication line Power switch ON (IG) Pulse generation (see  17waveform 17)
A13-10 (CAN+) - E3-1 (E1) B - W-B CAN communication line Power switch ON (IG) Pulse generation (see  16waveform 16)
A13-9 (CAN-) - E3-1 (E1) W - W-B CAN communication line Power switch ON (IG) Pulse generation (see  17waveform 17)
A13-25 (FUEL) -E3-1 (E1) V - W-B Fuel filler door opener switch Fuel filler door opener switch ON Below 1 V
Fuel filler door opener switch OFF 4 5 to 5 0 V
A13-8 (LIDO) - E3-1 (E1) P - W-B Fuel lid courtesy switch Fuel filler door opener switch ON 0 to 3V
Fuel filler door opener switch OFF 9 to 14 V
A13-24 (FUO) - E3-1 (E1) R - W-B Fuel lid opener motor Fuel filler door opener switch ON Below 1 V
Fuel filler door opener switch OFF 10 to 14 V
A14-18 (LST1) - E3-1 (E1) V - W-B Fuel lid opener switch signal Power switch ON (IG), fuel lid open switch OFF → ON 10 to 14 V → Below 1
A14-26 (LST2) - E3-1 (E1) P - W-B Fuel lid courtesy switch signal Power switch ON (IG), fuel lid open switch ON → OFF 10 to 14 V → Below 1
HINT
  • *1: The ECM terminal voltage is constant regardless of the output voltage from the sensor.
  • *2- w/ Active Stabilizer
  • *3: w/o Active Stabilizer
  1. WAVEFORM 1 

    Camshaft timing oil control valve (OCV) (Exhaust side): 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    E2-4 (OE1+) - E2-3 (OE1-) 5 V/DIV, 1 msec /DIV Idling with warm engine
    E4-18 (OE2+) - E4-28 (OE2-) 5 V/DIV, 1 msec/DIV Idling with warm engine
    Fig 2: Waveform 1 Graph
    G04942634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. WAVEFORM 2 

    A/F sensor heater: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    E3-5 (HA1A) - E3-4 (E04) 5 V/DIV, 10 msec/DIV Idling with warm engine
    E3-6 (HA2A) - E4-1 (E05) 5 V/DIV, 10 msec/DIV Idling with warm engine

    HINT.

    The wavelength becomes shorter as the engine rpm increases.

    Fig 3: Waveform 2 Graph
    G04942635Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. WAVEFORM 3 

    Heated oxygen sensor: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    A13-26 (OX1B) - E1-28 (E2) 0 2 V/DIV, 200 msec/DIV Engine speed maintained at 2500 rpm for 2 minutes after warming up
    A13-27 (OX2B) - E1-28 (E2) 0 2 V/DIV, 200 msec/DIV Engine speed maintained at 2500 rpm for 2 minutes after warming up
    Fig 4: Waveform 3 Graph
    G04942636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT.

    In Data List, item O2S B1 S2 or O2S B2 S2 shows the ECM input values from the heated oxygen sensor.

  4. WAVEFORM 4 

    Injector for port injection No. 1 (to No. 8) injection signal: 

    Fig 5: Waveform 4 Graph
    G05770828Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    E4-17 (#10) - E3-1 (E1) 20 V/DIV, 1 msec/DIV Idling and engine coolant temperature 60°C (140°F) or less
    E2-11 (#20) - E3-1 (E1) 20 V/DIV, 1 msec/DIV Idling and engine coolant temperature 60°C (140°F) or less
    E4-16 (#30) - E3-1 (E1) 20 V/DIV, 1 msec/DIV Idling and engine coolant temperature 60°C (140°F) or less
    E2-10 (#40) - E3-1 (E1) 20 V/DIV, 1 msec/DIV Idling and engine coolant temperature 60°C (140°F) or less
    E4-15 (#50) - E3-1 (E1) 20 V/DIV, 1 msec/DIV Idling and engine coolant temperature 60°C (140°F) or less
    E2-9 (#60) - E3-1 (E1) 20 V/DIV, 1 msec/DIV Idling and engine coolant temperature 60°C (140°F) or less
    E4-14 (#70) - E3-1 (E1) 20 V/DIV, 1 msec/DIV Idling and engine coolant temperature 60°C (140°F) or less
    E2-8 (#80) - E3-1 (E1) 20 V/DIV, 1 msec/DIV Idling and engine coolant temperature 60°C (140°F) or less

    HINT:

    The wavelength becomes shorter as the engine rpm increases.

  5. WAVEFORM 5 

    Injector for direct injection No. 1 (to No. 8) injection signal and Injection confirmation signal: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    CH1 E3-20 (#1) - E3-1 (E1) or E3-18 (#6) - E3-1 (E1) CH2 E2-13 (INJ1) - E3-1 (E1) 2 V/DIV, 20 msec /DIV Idling with warm engine
    CH1 E3-19 (#4) - E3-1 (E1) or E3-17 (#7) - E3-1 (E1) CH2 E2-12 (INJ2) - E3-1 (E1) 2 V/DIV, 20 msec/DIV Idling with warm engine
    CH1 E3-8 (#5) - E3-1 (E1) or E3-7 (#8) - E3-1 (E1) CH2 E2-15 (INJ3) - E3-1 (E1) 2 V/DIV, 20 msec/DIV Idling with warm engine
    CH1 E3-10 (#2) - E3-1 (E1) or E3-9 (#3) - E3-1 (E1) CH2 E2-14 (INJ4) - E3-1 (E1) 2 V/DIV, 20 msec /DIV Idling with warm engine
    Fig 6: Waveform 5 Graph
    G04942638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    The wavelength becomes shorter as the engine rpm increases.

  6. WAVEFORM 6 
    Fig 7: Waveform 6 Graph
    G04942639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Knock sensor: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    E3-26 (KNK1) - E3-33 (EKNK) 0 01 to 10 V/DIV, 0 01 to 10 msec/DIV Engine speed maintained at 4000 rpm after warming up engine
    E3-25 (KNK2) - E3-32 (EKN2) 0 01 to 10 V/DIV, 0 01 to 10 msec/DIV Engine speed maintained at 4000 rpm after warming up engine
    E3-24 (KNK3) - E3-31 (EKN3) 0 01 to 10 V/DIV, 0 01 to 10 msec/DIV Engine speed maintained at 4000 rpm after warming up engine
    E3-23 (KNK4) - E3-30 (EKN4) 0 01 to 10V/DIV, 0 01 to 10 msec/DIV Engine speed maintained at 4000 rpm after warming up engine

    HINT:

    • The wavelength becomes shorter as the engine rpm increases
    • The waveforms and amplitudes displayed differ slightly depending on the vehicle.
  7. WAVEFORM 7 

    Crankshaft position sensor and VVT sensor for intake side: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    (a) E1-27 (NE+) - E1-34 (NE-) 5 V/DIV, 20 msec /DIV Idling with warm engine
    (b) E2-25 (VV1+) - E2-33 (VV1-) 5 V/DIV, 20 msec /DIV Idling with warm engine
    (c) E4-19 (VV2+) - E4-29 (VV2-) 5 V/DIV, 20 msec /DIV Idling with warm engine

    HINT.

    The wavelength becomes shorter as the engine rpm increases.

    Fig 8: Waveform 7 Graph
    G04942640Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. WAVEFORM 8 

    Crankshaft position sensor and VVT sensor for exhaust side: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    (a) E1-27 (NE+) - E1-34 (NE-) 5 V/DIV, 20 msec/DIV Idling with warm engine
    (b) E1-26 (EV1+) - E1-33 (EV1-) 5 V/DIV, 20 msec/DIV Idling with warm engine
    (c) E3-22 (EV2+) - E3-29 (EV2-) 5 V/DIV, 20 msec/DIV Idling with warm engine

    HINT:

    The wavelength becomes shorter as the engine rpm increases.

    Fig 9: Waveform 8 Graph
    G04942641Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. WAVEFORM 9 

    Crankshaft position sensor and camshaft position sensor: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    CH1 E1-27 (NE+) - E1-34 (NE-) 5 V/DIV, 20 msec/DIV Idling with warm engine
    CH2 E2-24 (G2+) - E2-32 (G2-) 5 V/DIV, 20 msec/DIV Idling with warm engine

    HINT:

    The wavelength becomes shorter as the engine rpm increases.

    Fig 10: Waveform 9 Graph
    G04942642Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. WAVEFORM 10 

    Igniter IGT signal (from ECM to igniter) and Igniter IGF signal (from igniter to ECM): 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    CH1 E4-27 (IGT1) - E3-1 (E1) 2 V/DIV, 20 msec/DIV Idling with warm engine
    CH1 E2-23 (IGT2) - E3-1 (E1) 2 V/DIV, 20 msec /DIV Idling with warm engine
    CH1 E4-26 (IGT3) - E3-1 (E1) 2 V/DIV, 20 msec /DIV Idling with warm engine
    CH1 E2-22 (IGT4) - E3-1 (E1) 2 V/DIV, 20 msec/DIV Idling with warm engine
    CH1 E4-25 (IGT5) - E3-1 (E1) 2 V/DIV, 20 msec/DIV Idling with warm engine
    CH1 E2-21 (IGT6) - E3-1 (E1) 2 V/DIV, 20 msec/DIV Idling with warm engine
    CH1 E4-24 (IGT7) - E3-1 (E1) 2 V/DIV, 20 msec/DIV Idling with warm engine
    CH1 E2-20 (IGT8) - E3-1 (E1) 2 V/DIV, 20 msec/DIV Idling with warm engine
    CH2 E4-32 (IGF1) - E3-1 (E1) 2 V/DIV, 20 msec/DIV Idling with warm engine
    CH2 E2-28 (IGF2) - E3-1 (E1) 2 V/DIV, 20 msec /DIV Idling with warm engine
    Fig 11: Waveform 10 Graph
    G04942643Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

    The wavelength becomes shorter as the engine rpm increases.

  11. WAVEFORM 11 

    Purge VSV: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    E1-17 (PRG) - E3-1 (E1) 10V/DIV, 10 to 100 msec /DIV Idling with warm engine

    HINT:

    If the waveform is not similar to the illustration, check the waveform again after idling for 10 minutes or more.

    Fig 12: Waveform 11 Graph
    G05149265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. WAVEFORM 12 

    Throttle actuator positive terminal: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    E2-7 (M+) - E2-6 (M-) 5 V/DIV, 500 μsec /DIV Idling with warm engine

    HINT.

    The duty ratio varies depending on the throttle actuator operation.

    Fig 13: Waveform 12 Graph
    G05770836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. WAVEFORM 13 

    Engine speed signal: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    A14-15 (TACH) - E3-1 (E1) 5 V/DIV, 10 msec/DIV Idling

    HINT.

    The wavelength becomes shorter as the engine rpm increases.

    Fig 14: Waveform 13 Graph
    G04942648Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. WAVEFORM 14 

    Fuel pump for high pressure (spill control valve) (bank 1): 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    CH1 E4-11 (FPD) - E3-1 (E1) 2 V/DIV, 5 msec /DIV Idling with warm engine
    CH2 E4-10 (FPF1) - E3-1 (E1) 2 V/DIV, 5 msec/DIV Idling with warm engine
    Fig 15: Waveform 14 Graph
    G05770838Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. WAVEFORM 15 

    Fuel pump for high pressure (spill control valve) (bank 2): 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    CH1 E4-13 (FPD2) - E3-1 (E1) 2 V/DIV, 5 msec/DIV 1200 rpm with warm engine
    CH2 E4-12 (FPF2) - E3-1 (E1) 2 V/DIV, 5 msec/DIV 1200 rpm with warm engine
    Fig 16: Waveform 15 Graph
    G04942650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. WAVEFORM 16 

    CAN communication signal: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    A13-14 (CANH) - E3-1 (E1)
    A13-12 (CA1H) - E3-1 (E1)
    A13-18 (CA2H) - E3-1 (E1)
    A13-10 (CAN+) - E3-1 (E1)    		 1 V/DIV, 10 μsec/DIV Engine stopped and power switch ON (IG)
    Fig 17: Waveform 16 Graph
    G04942651Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT.

    The waveform varies depending on the CAN communication signal.

  17. WAVEFORM 17 

    CAN communication signal: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    A13-13 (CANL) - E3-1 (E1)
    A13-11 (CA1L) - E3-1 (E1)
    A13-17 (CA2L) - E3-1 (E1)
    A13-9 (CAN-) - E3-1 (E1)    		 1 V/DIV, 10 μsec/DIV Engine stopped and power switch ON (IG)
    Fig 18: Waveform 17 Graph
    G04942652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT.

    The waveform varies depending on the CAN communication signal.

  18. WAVEFORM 18 

    Intake air control valve signal: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    E4-7 (ASM+) - E4-6 (ASM-) 5 V/DIV, 5 msec/DIV When the engine is applied to high load with warm engine
    Fig 19: Waveform 18 Graph
    G05770842Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. WAVEFORM 19 

    Camshaft timing control motor EMD signal: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    E4-9 (EMD1) - E3-1 (E1) 2 V/DIV, 100 msec/DIV Idling with warm engine
    E2-31 (EMD2) - E3-1 (E1) 2 V/DIV, 100 msec/DIV Idling with warm engine

    HINT:

    The wavelength becomes shorter as the engine rpm increases

    Fig 20: Waveform 19 Graph
    G05770843Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. WAVEFORM 20 

    Camshaft timing control motor EMR signal: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    E4-30 (EMR1) - E3-1 (E1) 2 V/DIV, 5 msec /DIV Idling with warm engine
    E2-29 (EMR2) - E3-1 (E1) 2 V/DIV, 5 msec/DIV Idling with warm engine

    HINT:

    The wavelength becomes shorter as the engine rpm increases.

    Fig 21: Waveform 20 Graph
    G05770844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. WAVEFORM 21 

    Camshaft timing control motor EDT signal: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    E4-8 (EDT1) - E3-1 (E1) 1 V/DIV, 5 msec /DIV Idling with warm engine
    E2-16 (EDT2) - E3-1 (E1) 1 V/DIV, 5 msec/DIV Idling with warm engine

    HINT

    The wavelength becomes shorter as the engine rpm increases

    Fig 22: Waveform 21 Graph
    G05770845Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. WAVEFORM 22 

    Camshaft revolution signal from ECM to HV Control ECU or MG ECU: 

    WAVEFORM REFERENCE

    Terminal No. (Symbols) Tool Setting Condition
    A14-19 (GO1) - E3-1 (E1) 5 V/DIV, 20 msec /DIV Idling

    HINT:

    The wavelength becomes shorter as the engine rpm increases

    Fig 23: Waveform 22 Graph
    G05302265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. WAVEFORM 23 

    Crankshaft revolution signal from ECM to HV Control ECU: 

    WAVEFORM REFERENCE

    Terminal No (Symbols) Tool Setting Condition
    A14-27 (NEO1) - E3-1 (E1) 5 V/DIV, 1 msec/DIV Idling

    HINT:

    The wavelength becomes shorter as the engine rpm increases.

    Fig 24: Waveform 23 Graph
    G05770847Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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