Rav4 Tps Output 4.9v Throttle Closed

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(B30)

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A107881E05

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103

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104

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126

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The standard normal voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of 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.

Symbols (Terminal No.)

Wiring Colors

Terminal Descriptions

Conditions

Specified Conditions

BATT (A9-20) - E1 (B30-104)

W - BR

Battery (for measuring battery voltage and for ECM memory)

Always

9 to 14 V

+BM (A9-3) - E1 (B30-104)

LG - BR

Power source of throttle actuator

Always

9 to 14 V

IGSW (A9-28) - E1 (B30-104)

B - BR

Ignition switch

Ignition switch ON

9 to 14 V

+B (A9-2) - E1 (B30-104)

B - BR

Power source of ECM

Ignition switch ON

9 to 14 V

+B2 (A9-1) - E1 (B30-104)

B - BR

Power source of ECM

Ignition switch ON

9 to 14 V

OC1+ (B30-100) - OC1- (B30-123)

BR - L

Camshaft timing oil control valve (OCV)

Idling

Pulse generation (see waveform 1)

MREL (A9-44) - E1 (B30-104)

O - BR

EFI relay

Ignition switch ON

9 to 14 V

VG (B30-118) - E2G (B30-116)

R - LG

Mass air flow meter

Idling, Shift lever position P or N, A/ C switch OFF

0.5 to 3.0 V

THA (B30-65) - ETHA (B30-88)

W - BR

Intake air temperature sensor

Idling, Intake air temperature 20°C (68°F)

0.5 to 3.4 V

THW (B30-97) - ETHW (B30-96)

GR - BR

Engine coolant temperature sensor

Idling, Engine coolant temperature 80°C (176° F)

0.2 to 1.0 V

VCTA (B30-67) - ETA (B30-91 )

Y - BR

Power source of throttle position sensor (specific voltage)

Ignition switch ON

4.5 to 5.5 V

VTA1 (B30-115) - ETA (B30-91)

G - BR

Throttle position sensor (for engine control)

Ignition switch ON, Throttle valve fully closed

0.5 to 1.1 V

Ignition switch ON, Throttle valve fully open

3.3 to 4.9 V

VTA2 (B30-114) - ETA (B30-91)

L - BR

Throttle position sensor (for sensor malfunction detection)

Ignition switch ON, Throttle valve fully closed

2.1 to 3.1 V

Ignition switch ON, Throttle valve fully open

4.6 to 5.0 V

Symbols (Terminal No.)

Wiring Colors

Terminal Descriptions

Conditions

Specified Conditions

VPA (A9-55) - EPA (A9-59)

W - Y

Accelerator pedal position sensor (for engine control)

Ignition switch ON, Accelerator pedal released

0.5 to 1.1 V

Ignition switch ON, Accelerator pedal fully depressed

2.6 to 4.5 V

VPA2 (A9-56) - EPA2 (A9-60)

R - O

Accelerator pedal position sensor (for sensor malfunctioning detection)

Ignition switch ON, Accelerator pedal released

1.2 to 2.0 V

Ignition switch ON, Accelerator pedal fully depressed

3.4 to 5.0 V

VCPA (A9-57) - EPA (A9-59)

B - Y

Power source of accelerator pedal position sensor (for VPA)

Ignition switch ON

4.5 to 5.5 V

VCP2 (A9-58) - EPA2 (A9-60)

L - O

Power source of accelerator pedal position sensor (for VPA2)

Ignition switch ON

4.5 to 5.5 V

HA1A (B30-109) - E04 (B30-46)

L - W-B

A/F sensor heater

Idling

Below 3.0 V

Ignition switch ON

9 to 14 V

A1A+ (B30-112) - E1 (B30-104)

B -BR

A/F sensor

Ignition switch ON

3.3 V*

A1A- (B30-113) - E1 (B30-104)

R - BR

A/F sensor

Ignition switch ON

3.0 V*

HT1B (B30-47) - E03 (B30-86)

R - W-B

Heated oxygen sensor heater

Idling

Below 3.0 V

Ignition switch ON

9 to 14 V

OX1B (B30-64) - EX1B (B30-87)

B - BR

Heated oxygen sensor

Engine speed maintained at 2,500 rpm for 2 minutes after warming up sensor

Pulse generation (see waveform 2)

#10 (B30-108) - E01 (B30-45) #20 (B30-107) - E01 (B30-45) #30 (B30-106) - E01 (B30-45) #40 (B30-105) - E01 (B30-45)

L - W-B G - W-B B - W-B W - W-B

Injector

Ignition switch ON

9 to 14 V

Idling

Pulse generation (see waveform 3)

KNK1 (B30-110) - EKNK (B30-111)

B - W

Knock sensor

Engine speed maintained at 4,000 after warming up engine

Pulse generation (see waveform 4)

G2+ (B30-99) - G2- (B30-98)

L - Y

Camshaft position sensor

Idling

Pulse generation (see waveform 5)

NE+ (B30-122) - NE- (B30-121)

W - B

Crankshaft position sensor

Idling

Pulse generation (see waveform 5)

IGT1 (B30-85) - E1 (B30-104) IGT2 (B30-84) - E1 (B30-104) IGT3 (B30-83) - E1 (B30-104) IGT4 (B30-82) - E1 (B30-104)

R - BR P - BR G - BR L - BR

Ignition coil (ignition signal)

Idling

Pulse generation (see waveform 6)

IGF1 (B30-81) - E1 (B30-104)

W - BR

Ignition coil (ignition confirmation signal)

Ignition switch ON

4.5 to 5.5 V

Idling

Pulse generation (see waveform 6)

PRG (B30-49) - E1 (B30-104)

G - BR

Purge VSV

Ignition switch ON

9 to 14 V

Idling

Pulse generation (see waveform 7)

SPD (A9-8) - E1 (B30-104)

V - BR

Speed signal from combination meter

Driving at 20 km/h (12 mph)

Pulse generation (see waveform 8)

STA (A9-48) - E1 (B30-104)

LG - BR

Starter signal

Cranking

5.5 V or more

STAR (B30-52) - E1 (B30-104)

W - BR

Starter relay control

Ignition switch ON

Below 1.5 V

Cranking

6.0 V or more

STP (A9-36) - E1 (B30-104)

L - BR

Stop light switch

Brake pedal depressed

7.5 to 14 V

Brake pedal released

Below 1.5 V

ST1- (A9-35) - E1 (B30-104)

GR - BR

Stop light switch (opposite to STP terminal)

Ignition switch ON, Brake pedal depressed

Below 1.5 V

Ignition switch ON, Brake pedal released

7.5 to 14 V

M+ (B30-42) - ME01 (B30-43)

B - W-B

Throttle actuator

Idling with warm engine

Pulse generation (see waveform 9)

Symbols (Terminal No.)

Wiring Colors

Terminal Descriptions

Conditions

Specified Conditions

M- (B30-41) - ME01 (B30-43)

W - W-B

Throttle actuator

Idling with warm engine

Pulse generation (see waveform 10)

FC (A9-7) - E1 (B30-104)

W - BR

Fuel pump control

Ignition switch ON

9 to 14 V

Idling

Below 1.5 V

W (A9-24) - E1 (B30-104)

R - BR

MIL

Ignition switch ON

Below 1.5 V

Idling

9 to 14 V

TC (A9-27) - E1 (B30-104)

G - BR

Terminal TC of DLC3

Ignition switch ON

9 to 14 V

TACH (A9-15) - E1 (B30-104)

GR - BR

Engine speed

Idling

Pulse generation (see waveform 11)

VPMP (A9-42) - E1 (B30-104)

W - BR

Vent valve (built into canister pump module)

Ignition switch ON

9 to 14 V

MPMP (A9-34) - E1 (B30-104)

B - BR

Leak detection pump (built into canister pump module)

Leak detection pump OFF

Below 3 V

Leak detection pump ON

9 to 14 V

VCPP (B30-70) - EPPM (B30-94)

Y - BR

Power source for canister pressure sensor (specific voltage)

Ignition switch ON

4.5 to 5.5 V

PPMP (B30-71) - EPPM (B30-94)

V - BR

Canister pressure sensor (built into canister pump module)

Ignition switch ON

3 to 3.6 V

ELS1 (A9-31) - E1 (B30-104)

O - BR

Electric load

Taillight switch ON

7.5 to 14 V

Taillight switch OFF

Below 1.5 V

ELS3 (A9-33) - E1 (B30-104)

G - BR

Electric load

Defogger switch ON

7.5 to 14 V

Defogger switch OFF

Below 1.5 V

FANL (A9-21) - E1 (B30-104)

R - BR

Fan No. 1 relay

Ignition switch ON

9 to 14 V

Idling with A/C ON, or high engine coolant temperature

Below 1.5 V

FANH (A9-22) - E1 (B30-104)

W - BR

Fan No. 2 relay

Idling with high engine coolant temperature

Below 1.5 V

ALT (B30-50) - E1 (B30-104)

B - BR

Generator

Ignition switch ON

9 to 14 V

CANH (A9-41) - E1 (B30-104)

Y - BR

CAN communication line

Ignition switch ON

Pulse generation (see waveform 12)

CANL (A9-49) - E1 (B30-104)

W - BR

CAN communication line

Ignition switch ON

Pulse generation (see waveform 13)

VCIB (B30-69) - EIB (B30-92)

R - BR

Battery current sensor

Ignition switch ON

4.5 to 5.5 V

IB (B30-68) - EIB (B30-92)

B - BR

Battery current sensor

Ignition switch ON

0.5 to 2.5 V

THB (B30-120) - EIB (B30-92)

LG - BR

Battery temperature sensor

Ignition switch ON, Battery temperature -30 to 80°C (-22 to 176° F)

0.5 to 4.5 V

RLO (B30-51 ) - E1 (B30-104)

GR - BR

Generator

After engine warmed up, during charging control, vehicle driven at constant speed

Pulse generation (see waveform 14)

RLO (B30-51 ) - E1 (B30-104)

GR - BR

Generator

After engine warmed up, during charging control, vehicle accelerated

Pulse generation (see waveform 15)

RLO (B30-51 ) - E1 (B30-104)

GR - BR

Generator

After engine warmed up, during charging control, vehicle decelerated

Pulse generation (see waveform 16)

HINT:

*: The ECM terminal voltage is constant regardless of the output voltage from the sensor.

A093279E04

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 r

:| 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

1 M 1 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1.

J 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

i

L_____________i:

1 1 1 1 :

: i i i i

i i i i

1 1 1 1 H/AWi-N

1 1 1 1

A085286E03

5 V/DIV.

111111 111111

i

111111111

1111111111

GND +

•n i 11 m 11111

_i 1111 m 11

111 m 11 m i

i i i

i

i

i i i

1 msec./DIV.

A093229E02

1. WAVEFORM 1

Camshaft timing oil conl

trol valve (OCV)

ECM Terminal Names

Between OC1+ and OC1-

Tester Ranges

5 V/DIV., 1 msec./DIV.

Conditions

Heated oxygen sensor

ECM Terminal Names

Between OX1B and EX1B

Tester Ranges

0.2 V/DIV., 200 msec./DIV.

Conditions

Engine speed maintained at 2,500 rpm for 2 minutes after warming up sensor

HINT:

In DATA LIST, item O2S B1 S2 shows the ECM input values from the heated oxygen sensor.

3. WAVEFORM 3

Injector No. 1 (to No. 4) injection signal

ECM Terminal Names

Between #10 (to #40) and E01

Tester Ranges

20 V/DIV., 20 msec./DIV.

Conditions

The wavelength becomes shorter as the engine rpm increases.

4. WAVEFORM 4 Knock sensor

ECM Terminal Names

Between KNK1 and EKNK

Tester Ranges

1 V/DIV., 1 msec./DIV.

Conditions

Engine speed maintained at 4,000 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.

5 V/DIV

v-V

1 1 1 1 ^wv-

Iii

20 msec./DIV

20 msec./DIV

IGT Ground +

IGF Ground +

A093278E12

Mr2 Igt Signal

GND1

A093274E03

5. WAVEFORM 5

Crankshaft position sensor and Camshaft position sensor

ECM Terminal Names

CH1: Between G2+ and G2-CH2: Between NE+ and NE-

Tester Ranges

5 V/DIV., 20 msec./DIV.

Conditions

The wavelength becomes shorter as the engine rpm increases.

WAVEFORM 6

Igniter IGT signal (from ECM to igniter) and Igniter

IGF signal (from igniter o ECM)

ECM Terminal Names

Between IGT (1 to 4) and E1

Between IGF1 and E1

Tester Ranges

2 V/DIV., 20 msec./DIV.

Conditions

Idling

HINT:

The wavelength becomes shorter as the engine rpm

increases.

7. WAVEFORM 7

Purge VSV

ECM Terminal Names

Between PRG and E1

Tester Ranges

5 V/DIV., 50 msec./DIV.

Conditions

Idling

HINT:

If the waveform is not similar to the illustration, check the

waveform again after idling for 10 minutes or more.

8. WAVEFORM 8

Vehicle speed signal

ECM Terminal Names

Between SPD and E1

Tester Ranges

2 V/DIV., 20 msec./DIV.

Conditions

Driving at 20 km/h (12 mph)

HINT:

The wavelength becomes shorter as the vehicle speed

increases.

9. WAVEFORM 9

Throttle actuator positive terminal

ECM Terminal Names

Between M+ and ME01

Tester Ranges

5 V/DIV., 1 msec./DIV.

Conditions

Idling with warm engine

HINT:

The duty ratio varies depending on the throttle actuator operation.

A093278E12

Toyota Rav4 Throttle Actuator

10. WAVEFORM 10

Throttle actuator negative terminal

ECM Terminal Names

Between M- and ME01

Tester Ranges

5 V/DIV., 1 msec./DIV.

Conditions

Idling with warm engine

HINT:

The duty ratio varies depending on the throttle actuator operation.

10 msec./DIV

11. WAVEFORM 11

Engine speed signal

ECM Terminal Names

Between TACH and E1

Tester Ranges

5 V/DIV., 10 msec./DIV.

Conditions

The wavelength becomes shorter as the engine rpm increases.

Jtnrn

mm

'GND

'GND

12. WAVEFORM 12

CAN communication signal

ECM Terminal Names

Between CANH and E1

Tester Ranges

1 V/DIV., 10 ^sec./DIV.

Conditions

Engine stops and ignition switch ON

HINT:

The waveform varies depending on the CAN communication signal.

nm.n., n

T n . n; r-ir

IffiDfc

13. WAVEFORM 13

CAN communication signal

ECM Terminal Names

Between CANL and E1

Tester Ranges

1 V/DIV., 10 ^sec./DIV.

Conditions

Engine stops and ignition switch ON

HINT:

The waveform varies depending on the CAN communication signal.

_

» r

r I

-

GND

-

-

i

i

1 J J 1

A084458

14. WAVEFORM 14 Generator

ECM Terminal Names

Between RLO and E1

Tester Ranges

2 V/DIV., 50 msec./DIV.

Conditions

After engine warmed up, during charging control, vehicle driven at constant speed

HINT:

A constant value is not output, as the duty ratio varies depending on the electrical load and battery condition.

Land Cruiser Waveform

15. WAVEFORM 15 Generator

ECM Terminal Names

Between RLO and E1

Tester Ranges

2 V/DIV., 50 msec./DIV.

Conditions

After engine warmed up, during charging control, vehicle accelerated

HINT:

A constant value is not output, as the duty ratio varies depending on the electrical load and battery condition.

-

1

1 1 I T

GND

-

-

A084456

16. WAVEFORM 16 Generator

ECM Terminal Names

Between RLO and E1

Tester Ranges

2 V/DIV., 50 msec./DIV.

Conditions

After engine warmed up, during charging control, vehicle decelerated

HINT:

A constant value is not output, as the duty ratio varies depending on the electrical load and battery condition.

(i) Remove the gasket from the intake manifold.

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6

5

4

3

2

1

A124567E01

Toyota Rav4 Throttle Actuator
Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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Responses

  • Hilda
    What are the values for the 1997 toyota rav4 tps?
    7 years ago

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