TCM INSPECTION [5R55S]

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Terminal Voltage/Resistance Table (Reference)

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Terminal

Signal

Connected to

Test Condition

Voltage/Resistance

Action

A

TCC control solenoid control

TCC control solenoid

Inspect resistance between TCM terminals A and CK (wiring harness-side).

9—16 ohm

•  Inspect the TCC control solenoid
(See SOLENOID VALVE INSPECTION [5R55S])

•  Inspect the related wiring harness

B

Shift solenoid A control

Shift solenoid A

Inspect resistance between TCM terminals B and CK (wiring harness-side).

16—45 ohm

•  Inspect the shift solenoid A
(See SOLENOID VALVE INSPECTION [5R55S])

•  Inspect the related wiring harness

C

Shift solenoid B control

Shift solenoid B

Inspect resistance between TCM terminals C and CK (wiring harness-side).

16—45 ohm

•  Inspect the shift solenoid B
(See SOLENOID VALVE INSPECTION [5R55S])

•  Inspect the related wiring harness

D

Shift solenoid D control

Shift solenoid D

Inspect resistance between TCM terminals D and CK (wiring harness-side).

16—45 ohm

•  Inspect the shift solenoid D
(See SOLENOID VALVE INSPECTION [5R55S])

•  Inspect the related wiring harness

E

O/D OFF indicator output

Instrument cluster

Engine switch ON

B+

•  Inspect the instrument cluster

•  Inspect the related wiring harness

Engine switch OFF

Below 1.0 V

F

Shift solenoid C control

Shift solenoid C

Inspect resistance between TCM terminals F and CK (wiring harness-side).

16—45 ohm

•  Inspect the shift solenoid C
(See SOLENOID VALVE INSPECTION [5R55S])

•  Inspect the related wiring harness

G

Selector position indicator signal 3

Instrument cluster

Inspect continuity between TCM and instrument cluster (wiring harness-side).

Continuity

•  Inspect the related wiring harness

H

—

—

—

—

—

I

Pressure control solenoid A control

Pressure control solenoid A

Inspect resistance between TCM terminals I and CK (wiring harness-side).

3.3—7.5 ohm

•  Inspect the pressure control solenoid A
(See SOLENOID VALVE INSPECTION [5R55S])

•  Inspect the related wiring harness

J

Pressure control solenoid B control

Pressure control solenoid B

Inspect resistance between TCM terminals J and CK (wiring harness-side).

3.3—7.5 ohm

•  Inspect the pressure control solenoid B
(See SOLENOID VALVE INSPECTION [5R55S])

•  Inspect the related wiring harness

K

Selector position indicator signal 1

Instrument cluster

Inspect continuity between TCM and instrument cluster (wiring harness-side).

Continuity

•  Inspect the related wiring harness

L

—

—

—

—

—

M

Pressure control solenoid C control

Pressure control solenoid C

Inspect resistance between TCM terminals M and CK (wiring harness-side).

3.3—7.5 ohm

•  Inspect the pressure control solenoid C
(See SOLENOID VALVE INSPECTION [5R55S])

•  Inspect the related wiring harness

N

4x4 HI indicator output

Instrument cluster

Engine switch ON

B+

•  Inspect the instrument cluster

•  Inspect the related wiring harness

Engine switch OFF

Below 1.0 V

O

—

—

—

—

—

P

—

—

—

—

—

Q

Selector position indicator signal 2

Instrument cluster

Inspect continuity between TCM and instrument cluster (wiring harness-side).

Continuity

•  Inspect the related wiring harness

R

4x4 LO indicator output

Instrument cluster

Engine switch ON

B+

•  Inspect the instrument cluster

•  Inspect the related wiring harness

Engine switch OFF

Below 1.0 V

S

—

—

—

—

—

T

—

—

—

—

—

U

Vehicle speed output

Instrument cluster

Inspect continuity between TCM and instrument cluster (wiring harness-side).

Continuity

•  Inspect the related wiring harness

V

—

—

—

—

—

W

—

—

—

—

—

X

—

—

—

—

—

Y

—

—

—

—

—

Z

—

—

—

—

—

AA

—

—

—

—

—

AB

—

—

—

—

—

AC

—

—

—

—

—

AD

Output shaft speed (+)

OSS sensor

Inspect resistance between TCM terminals AD and AG (wiring harness-side).

325—485 ohm

•  Inspect the OSS sensor
(See OUTPUT SHAFT SPEED (OSS) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

AE

—

—

—

—

—

AF

—

—

—

—

—

AG

Output shaft speed (-)

OSS sensor

Inspect resistance between TCM terminals AD and AG (wiring harness-side).

325—485 ohm

•  Inspect the OSS sensor
(See OUTPUT SHAFT SPEED (OSS) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

AH

Turbine shaft speed (-)

TSS sensor

Inspect resistance between TCM terminals AH and AP (wiring harness-side).

325—485 ohm

•  Inspect the TSS sensor
(See TURBINE SHAFT SPEED (TSS) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

AI

—

—

—

—

—

AJ

—

—

—

—

—

AK

System GND

GND

Under any condition

Continuity

•  Inspect the related wiring harness

AL

—

—

—

—

—

AM

Intermediate shaft speed (-)

ISS sensor

Inspect resistance between TCM terminals AM and AS (wiring harness-side).

325—485 ohm

•  Inspect the ISS sensor
(See INTERMEDIATE SHAFT SPEED (ISS) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

AN

—

—

—

—

—

AO

System GND

GND

Under any condition

Continuity

•  Inspect the related wiring harness

AP

Turbine shaft speed (+)

TSS sensor

Inspect resistance between TCM terminals AH and AP (wiring harness-side).

325—485 ohm

•  Inspect the TSS sensor
(See TURBINE SHAFT SPEED (TSS) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

AQ

—

—

—

—

—

AR

—

—

—

—

—

AS

Intermediate shaft speed (+)

ISS sensor

Inspect resistance between TCM terminals AM and AS (wiring harness-side).

325—485 ohm

•  Inspect the ISS sensor
(See INTERMEDIATE SHAFT SPEED (ISS) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

AT

—

—

—

—

—

AU

—

—

—

—

—

AV

—

—

—

—

—

AW

—

—

—

—

—

AX

TR3A signal

Digital TR sensor

Inspect continuity between TCM terminals AX and BH (wiring harness-side).

P position, 1,2 and 3 range

Continuity

•  Inspect the Digital TR sensor
(See DIGITAL TRANSMISSION RANGE (TR) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

Other

Not continuity

AY

ATF temperature

TFT sensor

Inspect resistance between TCM terminals AY and BH (wiring harness-side).

ATF temperature

-40—-20 °C

{-40—-4 °F}

284—967 kilohm

•  Inspect the TFT sensor
(See TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

ATF temperature

-19—-1 °C

{-3—30 °F}

100—284 kilohm

ATF temperature

0—20 °C

{32—68 °F}

37—100 kilohm

ATF temperature

21—40 °C

{70—104 °F}

16—37 kilohm

ATF temperature

41—70 °C

{106—158 °F}

5—16 kilohm

ATF temperature

71—90 °C

{160—194 °F}

2.7—5 kilohm

ATF temperature

91—110 °C

{196—230 °F}

1.5—2.7 kilohm

ATF temperature

111—130 °C

{232—266 °F}

0.8—1.5 kilohm

ATF temperature

131—150 °C

{268—302 °F}

0.54—0.8 kilohm

AZ

—

—

—

—

—

BA

4x4 HI mode input

4x4 control module

Inspect continuity between TCM and 4x4 control module (wiring harness-side).

Continuity

•  Inspect the 4x4 control module

•  Inspect the related wiring harness

BB

4x4 LO mode input

4x4 control module

Inspect continuity between TCM and 4x4 control module (wiring harness-side).

Continuity

•  Inspect the 4x4 control module

•  Inspect the related wiring harness

BC

—

—

—

—

—

BD

—

—

—

—

—

BE

—

—

—

—

—

BF

—

—

—

—

—

BG

—

—

—

—

—

BH

Sensor GND

•  TFT sensor

•  Digital TR sensor

Inspect the TCM terminals AX, AY, BU, BY and CA.(wiring harness-side)

•  Inspect the related wiring harness

BI

—

—

—

—

—

BJ

—

—

—

—

—

BK

—

—

—

—

—

BL

—

—

—

—

—

BM

O/D OFF switch

O/D OFF switch

Engine switch ON

O/D OFF switch button depressed

B+

•  Inspect the O/D OFF switch
(See O/D OFF SWITCH INSPECTION [5R55S])

•  Inspect the related wiring harness

O/D OFF switch button not depressed

Below 1.0 V

BN

—

—

—

—

—

BO

—

—

—

—

—

BP

—

—

—

—

—

BQ

—

—

—

—

—

BR

—

—

—

—

—

BS

System GND

GND

Under any condition

Continuity

•  Inspect the related wiring harness

BT

—

—

—

—

—

BU

TR2 signal

Digital TR sensor

Inspect continuity between TCM terminals BU and BH (wiring harness-side).

P, R position and 2 range

Continuity

•  Inspect the Digital TR sensor
(See DIGITAL TRANSMISSION RANGE (TR) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

Other

Not continuity

BV

—

—

—

—

—

BW

—

—

—

—

—

BX

—

—

—

—

—

BY

TR1 signal

Digital TR sensor

Inspect continuity between TCM terminals BY and BH (wiring harness-side).

P, R position and 3 range

Continuity

•  Inspect the Digital TR sensor
(See DIGITAL TRANSMISSION RANGE (TR) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

Other

Not continuity

BZ

—

—

—

—

—

CA

TR4 signal

Digital TR sensor

Inspect continuity between TCM terminals CA and BH (wiring harness-side).

P, N position and 1 range

Continuity

•  Inspect the Digital TR sensor
(See DIGITAL TRANSMISSION RANGE (TR) SENSOR INSPECTION [5R55S])

•  Inspect the related wiring harness

Other

Not continuity

CB

CAN_H

PCM

Because this terminal is for serial communication, good/no good judgment by terminal voltage is not possible. Carry out inspection according to DTCs.

—

•  Inspect the related wiring harness

CC

—

—

—

—

—

CD

—

—

—

—

—

CE

—

—

—

—

—

CF

CAN_L

PCM

Because this terminal is for serial communication, good/no good judgment by terminal voltage is not possible. Carry out inspection according to DTCs.

—

•  Inspect the related wiring harness

CG

—

—

—

—

—

CH

—

—

—

—

—

CI

—

—

—

—

—

CJ

—

—

—

—

—

CK

Solenoid valve power supply

Solenoid valve

Inspect the TCM terminals A, B, C, D, F, I, J and M. (wiring harness-side)

•  Inspect the solenoid valve
(See SOLENOID VALVE INSPECTION [5R55S])

•  Inspect the related wiring harness

CL

System GND

GND

Under any condition

Continuity

•  Inspect the related wiring harness

CM

IG

AT relay

Engine switch ON

B+

•  Inspect the AT relay
(See AT RELAY INSPECTION [5R55S])

•  Inspect the related wiring harness

Engine switch OFF

Below 1.0 V

CN

—

—

—

—

—

CO

System GND

GND

Under any condition

Continuity

•  Inspect the related wiring harness

CP

IG

AT relay

Engine switch ON

B+

•  Inspect the AT relay
(See AT RELAY INSPECTION [5R55S])

•  Inspect the related wiring harness

Engine switch OFF

Below 1.0 V

Terminal	Signal	Connected to	Test Condition		Voltage/Resistance	Action
A	TCC control solenoid control	TCC control solenoid	Inspect resistance between TCM terminals A and CK (wiring harness-side).		9—16 ohm	• Inspect the TCC control solenoid (See SOLENOID VALVE INSPECTION [5R55S]) • Inspect the related wiring harness
B	Shift solenoid A control	Shift solenoid A	Inspect resistance between TCM terminals B and CK (wiring harness-side).		16—45 ohm	• Inspect the shift solenoid A (See SOLENOID VALVE INSPECTION [5R55S]) • Inspect the related wiring harness
C	Shift solenoid B control	Shift solenoid B	Inspect resistance between TCM terminals C and CK (wiring harness-side).		16—45 ohm	• Inspect the shift solenoid B (See SOLENOID VALVE INSPECTION [5R55S]) • Inspect the related wiring harness
D	Shift solenoid D control	Shift solenoid D	Inspect resistance between TCM terminals D and CK (wiring harness-side).		16—45 ohm	• Inspect the shift solenoid D (See SOLENOID VALVE INSPECTION [5R55S]) • Inspect the related wiring harness
E	O/D OFF indicator output	Instrument cluster	Engine switch ON		B+	• Inspect the instrument cluster • Inspect the related wiring harness
E	O/D OFF indicator output	Instrument cluster	Engine switch OFF		Below 1.0 V
F	Shift solenoid C control	Shift solenoid C	Inspect resistance between TCM terminals F and CK (wiring harness-side).		16—45 ohm	• Inspect the shift solenoid C (See SOLENOID VALVE INSPECTION [5R55S]) • Inspect the related wiring harness
G	Selector position indicator signal 3	Instrument cluster	Inspect continuity between TCM and instrument cluster (wiring harness-side).		Continuity	• Inspect the related wiring harness
H	—	—	—		—	—
I	Pressure control solenoid A control	Pressure control solenoid A	Inspect resistance between TCM terminals I and CK (wiring harness-side).		3.3—7.5 ohm	• Inspect the pressure control solenoid A (See SOLENOID VALVE INSPECTION [5R55S]) • Inspect the related wiring harness
J	Pressure control solenoid B control	Pressure control solenoid B	Inspect resistance between TCM terminals J and CK (wiring harness-side).		3.3—7.5 ohm	• Inspect the pressure control solenoid B (See SOLENOID VALVE INSPECTION [5R55S]) • Inspect the related wiring harness
K	Selector position indicator signal 1	Instrument cluster	Inspect continuity between TCM and instrument cluster (wiring harness-side).		Continuity	• Inspect the related wiring harness
L	—	—	—		—	—
M	Pressure control solenoid C control	Pressure control solenoid C	Inspect resistance between TCM terminals M and CK (wiring harness-side).		3.3—7.5 ohm	• Inspect the pressure control solenoid C (See SOLENOID VALVE INSPECTION [5R55S]) • Inspect the related wiring harness
N	4x4 HI indicator output	Instrument cluster	Engine switch ON		B+	• Inspect the instrument cluster • Inspect the related wiring harness
N	4x4 HI indicator output	Instrument cluster	Engine switch OFF		Below 1.0 V
O	—	—	—		—	—
P	—	—	—		—	—
Q	Selector position indicator signal 2	Instrument cluster	Inspect continuity between TCM and instrument cluster (wiring harness-side).		Continuity	• Inspect the related wiring harness
R	4x4 LO indicator output	Instrument cluster	Engine switch ON		B+	• Inspect the instrument cluster • Inspect the related wiring harness
R	4x4 LO indicator output	Instrument cluster	Engine switch OFF		Below 1.0 V
S	—	—	—		—	—
T	—	—	—		—	—
U	Vehicle speed output	Instrument cluster	Inspect continuity between TCM and instrument cluster (wiring harness-side).		Continuity	• Inspect the related wiring harness
V	—	—	—		—	—
W	—	—	—		—	—
X	—	—	—		—	—
Y	—	—	—		—	—
Z	—	—	—		—	—
AA	—	—	—		—	—
AB	—	—	—		—	—
AC	—	—	—		—	—
AD	Output shaft speed (+)	OSS sensor	Inspect resistance between TCM terminals AD and AG (wiring harness-side).		325—485 ohm	• Inspect the OSS sensor (See OUTPUT SHAFT SPEED (OSS) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
AE	—	—	—		—	—
AF	—	—	—		—	—
AG	Output shaft speed (-)	OSS sensor	Inspect resistance between TCM terminals AD and AG (wiring harness-side).		325—485 ohm	• Inspect the OSS sensor (See OUTPUT SHAFT SPEED (OSS) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
AH	Turbine shaft speed (-)	TSS sensor	Inspect resistance between TCM terminals AH and AP (wiring harness-side).		325—485 ohm	• Inspect the TSS sensor (See TURBINE SHAFT SPEED (TSS) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
AI	—	—	—		—	—
AJ	—	—	—		—	—
AK	System GND	GND	Under any condition		Continuity	• Inspect the related wiring harness
AL	—	—	—		—	—
AM	Intermediate shaft speed (-)	ISS sensor	Inspect resistance between TCM terminals AM and AS (wiring harness-side).		325—485 ohm	• Inspect the ISS sensor (See INTERMEDIATE SHAFT SPEED (ISS) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
AN	—	—	—		—	—
AO	System GND	GND	Under any condition		Continuity	• Inspect the related wiring harness
AP	Turbine shaft speed (+)	TSS sensor	Inspect resistance between TCM terminals AH and AP (wiring harness-side).		325—485 ohm	• Inspect the TSS sensor (See TURBINE SHAFT SPEED (TSS) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
AQ	—	—	—		—	—
AR	—	—	—		—	—
AS	Intermediate shaft speed (+)	ISS sensor	Inspect resistance between TCM terminals AM and AS (wiring harness-side).		325—485 ohm	• Inspect the ISS sensor (See INTERMEDIATE SHAFT SPEED (ISS) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
AT	—	—	—		—	—
AU	—	—	—		—	—
AV	—	—	—		—	—
AW	—	—	—		—	—
AX	TR3A signal	Digital TR sensor	Inspect continuity between TCM terminals AX and BH (wiring harness-side).	P position, 1,2 and 3 range	Continuity	• Inspect the Digital TR sensor (See DIGITAL TRANSMISSION RANGE (TR) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
AX	TR3A signal	Digital TR sensor		Other	Not continuity
AY	ATF temperature	TFT sensor	Inspect resistance between TCM terminals AY and BH (wiring harness-side).	ATF temperature -40—-20 °C {-40—-4 °F}	284—967 kilohm	• Inspect the TFT sensor (See TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
				ATF temperature -19—-1 °C {-3—30 °F}	100—284 kilohm
				ATF temperature 0—20 °C {32—68 °F}	37—100 kilohm
				ATF temperature 21—40 °C {70—104 °F}	16—37 kilohm
				ATF temperature 41—70 °C {106—158 °F}	5—16 kilohm
				ATF temperature 71—90 °C {160—194 °F}	2.7—5 kilohm
				ATF temperature 91—110 °C {196—230 °F}	1.5—2.7 kilohm
				ATF temperature 111—130 °C {232—266 °F}	0.8—1.5 kilohm
				ATF temperature 131—150 °C {268—302 °F}	0.54—0.8 kilohm
AZ	—	—	—		—	—
BA	4x4 HI mode input	4x4 control module	Inspect continuity between TCM and 4x4 control module (wiring harness-side).		Continuity	• Inspect the 4x4 control module • Inspect the related wiring harness
BB	4x4 LO mode input	4x4 control module	Inspect continuity between TCM and 4x4 control module (wiring harness-side).		Continuity	• Inspect the 4x4 control module • Inspect the related wiring harness
BC	—	—	—		—	—
BD	—	—	—		—	—
BE	—	—	—		—	—
BF	—	—	—		—	—
BG	—	—	—		—	—
BH	Sensor GND	• TFT sensor • Digital TR sensor	Inspect the TCM terminals AX, AY, BU, BY and CA.(wiring harness-side)			• Inspect the related wiring harness
BI	—	—	—		—	—
BJ	—	—	—		—	—
BK	—	—	—		—	—
BL	—	—	—		—	—
BM	O/D OFF switch	O/D OFF switch	Engine switch ON	O/D OFF switch button depressed	B+	• Inspect the O/D OFF switch (See O/D OFF SWITCH INSPECTION [5R55S]) • Inspect the related wiring harness
BM	O/D OFF switch	O/D OFF switch	Engine switch ON	O/D OFF switch button not depressed	Below 1.0 V
BN	—	—	—		—	—
BO	—	—	—		—	—
BP	—	—	—		—	—
BQ	—	—	—		—	—
BR	—	—	—		—	—
BS	System GND	GND	Under any condition		Continuity	• Inspect the related wiring harness
BT	—	—	—		—	—
BU	TR2 signal	Digital TR sensor	Inspect continuity between TCM terminals BU and BH (wiring harness-side).	P, R position and 2 range	Continuity	• Inspect the Digital TR sensor (See DIGITAL TRANSMISSION RANGE (TR) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
BU	TR2 signal	Digital TR sensor		Other	Not continuity
BV	—	—	—		—	—
BW	—	—	—		—	—
BX	—	—	—		—	—
BY	TR1 signal	Digital TR sensor	Inspect continuity between TCM terminals BY and BH (wiring harness-side).	P, R position and 3 range	Continuity	• Inspect the Digital TR sensor (See DIGITAL TRANSMISSION RANGE (TR) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
BY	TR1 signal	Digital TR sensor		Other	Not continuity
BZ	—	—	—		—	—
CA	TR4 signal	Digital TR sensor	Inspect continuity between TCM terminals CA and BH (wiring harness-side).	P, N position and 1 range	Continuity	• Inspect the Digital TR sensor (See DIGITAL TRANSMISSION RANGE (TR) SENSOR INSPECTION [5R55S]) • Inspect the related wiring harness
CA	TR4 signal	Digital TR sensor		Other	Not continuity
CB	CAN_H	PCM	Because this terminal is for serial communication, good/no good judgment by terminal voltage is not possible. Carry out inspection according to DTCs.		—	• Inspect the related wiring harness
CC	—	—	—		—	—
CD	—	—	—		—	—
CE	—	—	—		—	—
CF	CAN_L	PCM	Because this terminal is for serial communication, good/no good judgment by terminal voltage is not possible. Carry out inspection according to DTCs.		—	• Inspect the related wiring harness
CG	—	—	—		—	—
CH	—	—	—		—	—
CI	—	—	—		—	—
CJ	—	—	—		—	—
CK	Solenoid valve power supply	Solenoid valve	Inspect the TCM terminals A, B, C, D, F, I, J and M. (wiring harness-side)			• Inspect the solenoid valve (See SOLENOID VALVE INSPECTION [5R55S]) • Inspect the related wiring harness
CL	System GND	GND	Under any condition		Continuity	• Inspect the related wiring harness
CM	IG	AT relay	Engine switch ON		B+	• Inspect the AT relay (See AT RELAY INSPECTION [5R55S]) • Inspect the related wiring harness
CM	IG	AT relay	Engine switch OFF		Below 1.0 V
CN	—	—	—		—	—
CO	System GND	GND	Under any condition		Continuity	• Inspect the related wiring harness
CP	IG	AT relay	Engine switch ON		B+	• Inspect the AT relay (See AT RELAY INSPECTION [5R55S]) • Inspect the related wiring harness
CP	IG	AT relay	Engine switch OFF		Below 1.0 V