Toyota FJ Cruiser (GSJ 10, 15 series). Instruction - part 323

ME–24

METER  –  METER / GAUGE SYSTEM

ME

(e) Waveform 3: Using an oscilloscope

HINT:
A changes in accordance with the engine coolant 
temperature.

2.

ACCESSORY METER ASSEMBLY

(a) Disconnect the F1 accessory meter assembly 

connector.

(b) Measure the voltage and resistance of the wire 

harness side connector.

Standard:

HINT:
If the result is not as specified, the accessory meter 
assembly may be malfunctioning.

GND

E050693E05

Tool setting

5 V/DIV., 0.1 sec./DIV

Vehicle condition

Ignition switch ON

Coolant 

temperature

Below 30

°

Approximately 

75

°C

Above 90

°

A

Approximately 16 

ms

Approximately 204 

ms

Approximately 262 

ms

F1

E125402E01

Symbols (Terminals No.)

Wiring Color

Terminal Description

Condition

Specified Condition

+B (F1-1) - Body ground

R - Body ground

Battery

Always

11 to 14 V

ACC (F1-2) - Body ground

GR - Body ground

ACC

Ignition switch OFF 

→ 

ACC

Below 1 V 

→ 11 to 14 V

IG+ (F1-3) - Body ground

Y-R - Body ground

Ignition switch signal

Ignition switch OFF 

→ ON

Below 1 V 

→ 11 to 14 V

DMIN (F1-4) - Body 

ground

R-L - Body ground

Air conditioning amplifier 

signal

Ignition switch OFF 

→ ON

Below 1 V 

→ 11 to 14 V

ILL+ (F1-6) - Body ground

G - Body ground

Taillight signal

Light control switch OFF 

→ ON

Below 1 V 

→ 11 to 14 V

ILL- (F1-7) - Body ground

BR-W - Body ground

Light control rheostat 

signal

Ignition switch OFF 

→ ON

Pulse generation

(See waveform 1)

SI (F1-8) - Body ground

V-R - Body ground

Combination meter signal

Driving at approx. 3.1 mph 

(5 km/h)

1 V 

→ 9 V → 1 V

E (F1-9) - Body ground

W-B - Body ground

Ground

Always

Below 1 

Ω

METER  –  METER / GAUGE SYSTEM

ME–25

ME

(1) Waveform 1: Using an oscilloscope

(2) Waveform 2: Using an oscilloscope

GND

A005138E12

Terminal Connections

ILL- (F1-7) -Body Ground

Tool Setting

5V / DIV, 50 ms / DIV

Condition

Ignition switch ON

GND

E115032E02

Terminal Connections

SI (F1-8) - Body Ground

Tool Setting

5V / DIV, 20 ms / DIV

Condition

Driving at approx. 3.1 mph (5 km/h)

ME–26

METER  –  METER / GAUGE SYSTEM

ME

3.

CHECK MAIN BODY ECU

(a) Disconnect the E7, E8 and 1A main body ECU 

connectors.

1

2

3

4

5

6

11

12

13

14

15

16

7

8

9

10

17

18

19

20

1

2

3

4

5

6

9

10

11

12

13

14

7

8

15

16

1

2

3

4

5

6

13

14

7

8

15

16

17

18

19

20

9

10

21

22

11

12

23

24

1

2

3

4

5

6

7

8

9

10

11

12

13

10

6

9

5

6

5

8

4

4

7

3

3

6

2

2

5

1

1

4

16

3

15

2

14

1

13

22

12

30

29

18

17

28

27

26

25

24

23

21

11

20

10

19

9

18

17

8

7

17

16

15

14

13

12

11

10

9

8

16

15

14

13

24

7

23

22

21

26

25

24

12

11

20

23

19

21

20

19

18

22

1

2

3

4

5

6

1

2

E6

1A

1B

1D

1F

1E

1C

E7

E8

E6

1A

1B

1D

1F

1E

1C

E7

E8

Main Body ECU:

Left View:

Rear View:

B136051E01

METER  –  METER / GAUGE SYSTEM

ME–27

ME

(b) Measure the voltage of the wire harness side 

connectors.

Standard voltage

*: w/ daytime running light
HINT:
If the result is not as specified, there may be a 
malfunction in the wire harness.

Symbols (Terminals No.)

Wiring Color

Terminal Description

Condition

Specified Condition

PKB (E7-2) - Body ground

W-R* - Body ground

Parking brake signal

Parking brake warning 

light ON 

→ OFF

Below 1 V 

→ 11 to 14 V

BCTY (E7-7) - Body 

ground

W - Body ground

Back door courtesy switch 

and back window courtesy 

switch input

Back door CLOSED 

→ 

OPEN

11 to 14 V 

→ Below 1 V

RLCY (E7-11) - Body 

ground

P-B - Body ground

Rear door courtesy switch 

signal (LH)

Rear door (Driver side) 

CLOSED 

→ OPEN

11 to 14 V 

→ Below 1 V

RRCY (E7-12) - Body 

ground

P-L - Body ground

Rear door courtesy switch 

signal (RH)

Rear door (Front 

passenger side) CLOSED 

→ OPEN

11 to 14 V 

→ Below 1 V

DCTY (E7-23) - Body 

ground

R-B - Body ground

Front door courtesy switch 

signal (Driver side)

Driver door CLOSED 

→ 

OPEN

11 to 14 V 

→ Below 1 V

PCTY (E7-24) - Body 

ground

G-Y - Body ground

Front door courtesy switch 

signal (Passenger side)

Front passenger door 

CLOSED 

→ OPEN

11 to 14 V 

→ Below 1 V

KSW (E8-14) - Body 

ground

G-Y - Body ground

Key unlock switch 

condition signal

Key inserted 

→ Removed

Below 1 V 

→ 11 to 14 V

GND2 (1H-2) - Body 

ground)

W - Body ground

Ground

Always

Below 1 V