Suzuki Grand Vitara JB627. Service manual - part 224

5A-80 Automatic Transmission/Transaxle: 

5

GRN/YEL

TCC pressure control 
solenoid valve (+)

*0 – 0.6 V

↑↓

10 – 14 V

(“Reference 

Waveform 

No. 2: ”)

Engine running at idling.
(Output signal is duty pulse. Duty ratio varies 
depending on torque converter clutch opening 
condition.)

6

BLK/WHT Power source

10 – 14 V Ignition switch ON

7

WHT

CAN communication 
line (active low signal)

*1.6 – 2.8 V

(“Reference 

Waveform 

No. 3: ”)

Engine running at specified idling speed.
(CAN communication signal is pulse. Pulse signal 
frequency varies depending on engine condition.)

8

—

—

—

—

9

LT

GRN/RED

Pressure control 
solenoid valve-B (–)

0.6 – 1.0 V Ignition switch ON

10

GRY

Transmission fluid 
temperature sensor-B 
(–) (if equipped)

0 – 1 V

Ignition switch ON

11

YEL/BLK

Transmission fluid 
temperature sensor-A 
(+)

2.9 – 3.1 V Ignition switch ON, fluid temperature is 20 

°C (68 °F)

0.3 – 0.5 V Ignition switch ON, fluid temperature is 100 

°C (212 °F)

12

ORN

Transmission fluid 
temperature sensor-A 
(–)

0 – 1 V

Ignition switch ON

13

—

—

—

—

14

GRN/RED Shift solenoid valve-E

0 – 1 V

Ignition switch ON

15

GRN/RED Shift solenoid valve-B

0 – 1 V

Ignition switch ON, select lever in “P” range

16

GRN

Shift solenoid valve-A

9 – 14 V

Ignition switch ON, select lever in “P” range

17

RED

CAN communication 
line (active high signal)

*2.5 – 3.8 V

(“Reference 

Waveform 

No. 3: ”)

Engine running at specified idling speed.
(CAN communication signal is pulse. Pulse signal 
frequency varies depending on engine condition.)

18

—

—

—

—

19

BRN/BLU

Pressure control 
solenoid valve-C (–)

0.6 – 1.0 V Ignition switch ON

20

GRY/BLU

Transmission fluid 
temperature sensor-B 
(+) (if equipped)

2.9 – 3.1 V Ignition switch ON, fluid temperature is 20 

°C (68 °F)

0.3 – 0.5 V Ignition switch ON, fluid temperature is 100 

°C (212 °F)

21

LT GRN

Pressure control 

solenoid valve-C (+)

*0 – 0.6 V

↑↓

10 – 14 V

(“Reference 

Waveform 

No. 4: ”)

Ignition switch ON, select lever in “P” range (Output 
signal is duty pulse.)

22

LT

GRN/BLK

Pressure control 

solenoid valve-B (+)

*0 – 0.6 V

↑↓

10 – 14 V

(“Reference 

Waveform 

No. 5: ”)

Engine running at idling
(Output signal is duty pulse.)

23

BLK/ORN Ground

0 – 1 V

Ignition switch ON

24

WHT

Power source for back-
up

10 – 14 V Constantly

Terminal 

number

Wire color

Circuit

Normal 

Voltage

Condition

Automatic Transmission/Transaxle:  5A-81

Connector “E93”

Terminal Wire color

Circuit

Standard 

voltage

Condition

1

RED

Transmission range 
sensor (“R” range)

8 – 14 V

Ignition switch ON, selector lever at “R” range

0 – 1 V

Ignition switch ON, selector lever at other than “R” 
range

2

—

—

—

—

3

—

—

—

—

4

PNK/WHT 4L/N switch

8 – 14 V

Ignition switch ON, transfer position in 4H

0 – 1 V

Ignition switch OFF, transfer position in 4L and N

5

WHT

Output shaft speed 
sensor (+)

2 – 3 V

Ignition switch turned ON, engine stops.

*(“Reference 

Waveform 

No. 6: ”)

While engine running.
(Output signal is waveform. Waveform frequency 
varies depending on output shaft speed. (18 pulses 
are generated par 1 input shaft revolution.))

6

BLU

Input shaft speed 
sensor (+)

2 – 3 V

Ignition switch turned ON, engine stops.

*(“Reference 

Waveform 

No. 7: ”)

While engine running.
(Output signal is waveform. Waveform frequency 
varies depending on input shaft speed. (24 pulses are 
generated par 1 input shaft revolution.))

7

YEL/GRN

Transmission range 
sensor (“D” range)

8 – 14 V

Ignition switch ON, selector lever at “R” range

0 – 1 V

Ignition switch ON, selector lever at other than “R” 
range

8

PNK/BLU

Transmission range 
sensor (“N” range)

8 – 14 V

Ignition switch ON, selector lever at “N” range

0 – 1 V

Ignition switch ON, selector lever at other than “N” 
range

9

YEL/RED “4” position switch (+)

2.4 – 4.3 V Ignition switch ON, select lever in “P”, “N” or “D” range

8 – 14 V

Ignition switch ON, select lever in “R”, “3”, “2” or “L” 
range

10

—

—

—

—

11

—

—

—

—

12

—

—

—

—

13

—

—

—

—

14

ORN

Output shaft speed 
sensor (–)

2 – 3 V

Ignition switch ON, vehicle at stop

15

—

—

—

—

16

PNK

Input shaft speed 
sensor (–)

2 – 3 V

Ignition switch ON, engine at stop

17

—

—

—

—

18

GRN/WHT

Transmission range 
sensor (“L” range)

8 – 14 V

Ignition switch ON, select lever at “L” range

0 – 1 V

Ignition switch ON, select lever at other than “L” range

19

GRN/ORN

Transmission range 
sensor (“3” range)

8 – 14 V

Ignition switch ON, select lever at “3” range

0 – 1 V

Ignition switch ON, select lever at other than “3” range

20

PNK/GRN

Transmission range 
sensor (“P” range)

8 – 14 V

Ignition switch ON, select lever at “P” range

0 – 1 V

Ignition switch ON, select lever at other than “P” range

21

YEL/BLK

“4” position switch (–)

0 – 1 V

Ignition switch ON

22

—

—

—

—

23

PPL/WHT Data link connector

8 – 14 V

Ignition switch ON

24

—

—

—

—

25

—

—

—

—

26

—

—

—

—

5A-82 Automatic Transmission/Transaxle: 

Reference Waveform No. 1
Pressure control solenoid valve-A signal at ignition 
switch ON position

Reference Waveform No. 2
TCC pressure control solenoid valve signal at ignition 
switch ON position

Reference Waveform No. 3
CAN communication line signal at engine idling

Reference Waveform No. 4
Pressure control solenoid valve-C signal at ignition 
switch ON position

Measurement terminal CH1: E92-4 to E92-1

Oscilloscope setting

CH1: 5 V/DIV
TIME: 2 ms/DIV

Measurement condition

• Ignition switch turned ON
• Select lever at “P” range

Measurement terminal CH1: E92-5 to E92-1

Oscilloscope setting

CH1: 5 V/DIV
TIME: 2 ms/DIV

Measurement condition

• Ignition switch turned ON
• Select lever at “P” range

I4JA01512340-01

I4JA01512344-01

Measurement terminal

CH1: E92-17 to E92-1, CH2: 
E92-7 to E92-1

Oscilloscope setting

CH1: 1 V/DIV, CH2: 1 V/DIV
TIME: 100 

µs/DIV

Measurement condition

• After warmed up to normal 

operating temperature

• Engine at idling speed 

(700 r/min.)

Measurement terminal CH1: E92-21 to E92-1

Oscilloscope setting

CH1: 5 V/DIV
TIME: 2 ms/DIV

Measurement condition

• Ignition switch turned ON
• Select lever at “P” range

I4JA01512345-01

I4JA01512339-01

Automatic Transmission/Transaxle:  5A-83

Reference Waveform No. 5
Pressure control solenoid valve-B signal at ignition 
switch ON position

Reference Waveform No. 6
Output shaft speed sensor signal at vehicle speed 20 
km/h, 12.5 mile/h

Reference Waveform No. 7
Input shaft speed sensor signal at engine idling

Measurement terminal CH1: E92-22 to E92-1

Oscilloscope setting

CH1: 5 V/DIV
TIME: 2 ms/DIV

Measurement condition

• Ignition switch turned ON
• Select lever at “P” range

Measurement terminal CH1: E93-5 to E92-1

Oscilloscope setting

CH1: 5 V/DIV
TIME: 2 ms/DIV

Measurement condition

• After warmed up to normal 

operating temperature

• Vehicle speed at 20 km/h, 

12.5 mile/h

I4JA01512343-01

I4JA01512342-01

Measurement terminal CH1: E93-6 to E92-1

Oscilloscope setting

CH1: 5 V/DIV
TIME: 2 ms/DIV

Measurement condition

• After warmed up to normal 

operating temperature

• Engine at idling speed (700 

r/min.)

I4JA01512341-01