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HINT:The duty ratio varies depending on the throttle opening operation.

HINT:The duty ratio varies depending on the throttle opening operation.

No.) (E11-3)

Tool Setting5 V/DIV., 1msec./DIV.

ConditionIdle after engine

warm-up

Waveform 2 (Reference)

Throttle actuator negative terminal

Item Content

Symbols (Terminal

No.)

M- (E12-4) - ME01

(E11-3)

Tool Setting5 V/DIV., 1

msec./DIV.

ConditionIdle after enginewarm-up

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HINT:The wavelength becomes shorter as engine speed increases.

Waveform 3 (Reference)

(a) Camshaft position sensor

Item Content

Symbols (Terminal

No.)

(a) G2+ (E12-26) -

NE- (E12-34)

Tool Setting5 V/DIV., 20msec./DIV.

ConditionIdle after enginewarm-up

(b) Crankshaft position sensor

Item Content

Symbols (TerminalNo.)

(b) NE+ (E12-27) -NE- (E12-34)

Tool Setting

5 V/DIV., 20

msec./DIV.

ConditionIdle after enginewarm-up

Waveform 4 (Reference)

 

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HINT:The wavelength becomes shorter as vehicle speed increases.

Vehicle speed signal

Item Content

Symbols (TerminalNo.)

SPD (E10-8) - E1(E12-3)

Tool Setting

2 V/DIV., 10

msec./DIV.

ConditionDriving at 40 km/h

(25 mph)

Waveform 5 (Reference)

(a) Igniter IGT signal (from ECM to

igniter)

Item Content

Symbols (Terminal

No.)

(a) IGT1 (E12-17) toIGT4 (E12-14) - E1(E12-3)

Tool Setting2 V/DIV., 20

msec./DIV.

Condition Idling

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HINT:The wavelength becomes shorter as engine speed increases.

HINT:

The wavelength becomes shorter as engine speed increases.

(b) Igniter IGF signal (from igniter toECM)

Item Content

Symbols (TerminalNo.)

(b) IGF1 (E12-23) -E1 (E12-3)

Tool Setting

2 V/DIV., 20

msec./DIV.

Condition Idling

Waveform 6 (Reference)

Fuel injector

Item ContentSymbols (TerminalNo.)

#10 (E11-6) to #40(E11-1) - E01 (E12-7)

Tool Setting20 V/DIV., 20msec./DIV.

Condition Idling

Waveform 7 (Reference)

 

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HINT:In the Data List, item O2S B1 S2 shows the ECM input values from the rear HO2 sensor (sensor2).

Heated oxygen (HO2) sensor (sensor 2)

Item Content

Symbols (TerminalNo.)

OX1B (E12-25) - E2(E12-28)

Tool Setting

0.2 V/DIV., 200

msec./DIV.

Condition

Engine maintained at

2,500 rpm whenengine warmed up

Waveform 10 (Reference)

 

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

HINT:The wavelength changes when the air injection control driver detects malfunction in the air

injection system (Refer to 2TR-FE ENGINE CONTROL SYSTEM > SFI SYSTEM > P1613(201106 -

))

Purge VSV

Item Content

Symbols (Terminal

No.)

PRG (E11-23) - E01

(E12-7)

Tool Setting10 V/DIV., 20

msec./DIV.

Condition Idling

Waveform 11 (Reference)

Terminal DI of air injection control driver

Item Content

Symbols (TerminalNo.)

AIDI (E11-20) - E1(E12-3)

Tool Setting5 V/DIV., 50msec./DIV.

ConditionAir injection system

operates

Waveform 12 (Reference)

 

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HINT:

In the Data List, item O2S B1 S1 shows the ECM input values from the rear HO2 sensor (sensor

1).

Tool Setting0.2 V/DIV., 200

msec./DIV.

ConditionEngine maintained at2,500 rpm when

engine warmed up

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