2009 SUBARU TRIBECA engine

5AT(diag)-24
SPORT Indicator Light Display
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step Check Yes No
1CHECK SPORT INDICATOR LIGHT.
Tu r n t h e i g n i t i o n s w i t c h t o O N .
Does the SPORT indicator
light illuminate?
Go to step 2.Perform the self-
diagnosis of com-
bination meter.
2CHECK SPORT INDICATOR LIGHT.
After the ignition switch is ON, wait for at least
2 seconds.
Does the SPORT indicator
light illuminate?
Go to step 3.Go to step 4.
3CHECK SPORT INDICATOR LIGHT.
Start the engine.
Does the SPORT indicator
light go off?
Normal. Go back
to “Basic Diagnos-
tic Procedure”.
2, Basic Diagnos-
tic Procedure.>
Go to step 7.
4CHECK SUBARU SELECT MONITOR COM-
MUNICATION.
Connect the Subaru Select Monitor to data link
connector.
Is the communication between
Subaru Select Monitor and
TCM normal?
Go to step 5.Check the power
supply ground cir-
cuit of TCM and
Subaru Select
Monitor communi-
cation. 5AT(diag)-25,
Diagnostic Proce-
dure for Subaru
Select Monitor
Communication.>
5CHECK TCM.
Display the current data of TCM using Subaru
Select Monitor.
Is the “Diagnosis Lamp” out-
put signal “ON”?
Go to step 6.Replace the TCM.
Tr a n s m i s s i o n C o n -
trol Module
(TCM).>
6CHECK THE BODY INTEGRATED UNIT.
Display the current data of body integrated unit
using Subaru Select Monitor. LAN(diag)-12, OPERATION, Subaru Select
Monitor.>
Is the “SPORT Lamp” input
signal “Illuminate”?
Replace the com-
bination meter
assembly. IDI-11, Combina-
tion Meter.>
Check DTC of
body integrated
unit. LAN(diag)-12,
OPERATION,
Subaru Select
Monitor.>
7CHECK TCM.
1) Start the engine.
2) Display the current data of TCM using Sub-
aru Select Monitor. OPERATION, Subaru Select Monitor.>
Is the “Diagnosis Lamp” out-
put signal “ON”?
Replace the TCM.
Tr a n s m i s s i o n C o n -
trol Module
(TCM).>
Go to step 8.
8CHECK THE BODY INTEGRATED UNIT.
Display the current data of body integrated unit
using Subaru Select Monitor. LAN(diag)-12, OPERATION, Subaru Select
Monitor.>
Is the “SPORT Lamp” input
signal “Illuminate”?
Check DTC of
body integrated
unit. Perform the
diagnosis accord-
ing to DTC. to LAN(diag)-12,
OPERATION,
Subaru Select
Monitor.>
Per fo r m th e se lf -
diagnosis of com-
bination meter.
INSPECTION,
Combination
Meter System.>

5AT(diag)-26
Diagnostic Procedure for Subaru Select Monitor Communication
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step Check Yes No
1CHECK SUBARU SELECT MONITOR POW-
ER SUPPLY CIRCUIT.
Measure the voltage between data link con-
nector and chassis ground.
Connector & terminal
(B402) No. 1 (+) — Chassis ground (–):
Is the voltage more than 10 V? Go to step 2.Repair the har-
ness connector
between battery
and data link con-
nector, and poor
contact of connec-
tor.
2CHECK SUBARU SELECT MONITOR
GROUND CIRCUIT.
Measure the resistance of harness between
data link connector and chassis ground.
Connector & terminal
(B402) No. 12 — Chassis ground:
(B402) No. 13 — Chassis ground:
Is the resistance less than 1
Ω?
Go to step 3.Repair the open
circuit of harness
between data link
connector and
ground terminal,
and poor contact
of connector.
3CHECK COMMUNICATION OF SUBARU SE-
LECT MONITOR.
1) Turn the ignition switch to ON.
2) Using the Subaru Select Monitor, check
whether communication to transmission sys-
tem can be executed normally.
Are the name and year of sys-
tem displayed on Subaru
Select Monitor?
Go to step 8.Go to step 4.
4CHECK COMMUNICATION OF SUBARU SE-
LECT MONITOR.
1) Turn the ignition switch to OFF.
2) Disconnect the TCM connector.
3) Turn the ignition switch to ON.
4) Check whether communication to engine
system can be executed normally.
Are the name and year of sys-
tem displayed on Subaru
Select Monitor?
Go to step 6.Go to step 5.
5CHECK COMMUNICATION OF SUBARU SE-
LECT MONITOR.
1) Turn the ignition switch to OFF.
2) Connect the TCM connector.
3) Disconnect the connector from ECM.
4) Turn the ignition switch to ON.
5) Check whether communication to transmis-
sion system can be executed normally.
Are the name and year of sys-
tem displayed on Subaru
Select Monitor?
Inspect the ECM. Go to step 6.
6CHECK HARNESS CONNECTOR BETWEEN
EACH CONTROL MODULE AND DATA LINK
CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the TCM and ECM connector.
3) Measure the resistance between TCM con-
nector and chassis ground.
Connector & terminal
(B402) No. 10 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 7.Check harness
and connector
between each con-
trol module and
data link connec-
tor.
7CHECK OUTPUT SIGNAL OF TCM.
1) Turn the ignition switch to ON.
2) Measure the voltage between TCM and
chassis ground.
Connector & terminal
(B402) No. 10 (+) — Chassis ground (–):
Is the voltage more than 1 V? Check harness
and connector
between each con-
trol module and
data link connec-
tor.
Go to step 8.
8CHECK HARNESS CONNECTOR BETWEEN
TCM AND DATA LINK CONNECTOR.
Measure the resistance between TCM connec-
tor and data link connector.
Connector & terminal
(B54) No. 20 — (B402) No. 10:
Is the resistance less than 1
Ω?
Go to step 9.Repair the har-
ness and connec-
tor between TCM
and data link con-
nector.
9CHECK INSTALLATION OF TCM CONNEC-
TOR.
Tu r n t h e i g n i t i o n s w i t c h t o O F F.
Is TCM connector connected
to TCM?
Go to step 10.Connect the TCM
connector to TCM.

5AT(diag)-27
Diagnostic Procedure for Subaru Select Monitor Communication
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
10 CHECK INSTALLATION OF TRANSMISSION
HARNESS CONNECTOR.
Is the transmission harness
connector connected to bulk-
head harness connector?
Go to step 11.Connect the bulk-
head harness con-
nector to
transmission har-
ness connector.
11 CHECK POOR CONTACT OF CONNEC-
TORS.
Is there poor contact in control
module power supply and data
link connector?
Repair the poor
contact.
Go to step 12.
12 CHECK POWER SUPPLY OF TCM.
1) Disconnect the connector from TCM.
2) Turn the ignition switch to ON.
3) Measure the voltage between TCM con-
nector and chassis ground.
Connector & terminal
(B54) No. 1 (+) — Chassis ground (–):
Is the voltage 10 — 13 V? Go to step 15.Go to step 13.
13 CHECK FUSE (No. 32).
1) Turn the ignition switch to OFF.
2) Remove the fuse (No. 32).
Is the fuse (No. 32) blown out? Replace the fuse
(No. 32).
Go to step 14.
14 CHECK HARNESS.
Measure the resistance between TCM connec-
tor and chassis ground.
Connector & terminal
(B54) No. 1 — Chassis ground:
Is the resistance less than 10
Ω?
Replace the fuse
(No. 32). If the
replaced fuse (No.
32) has blown out
easily, repair the
short circuit of har-
ness between fuse
(No. 32) and TCM.
Go to step 15.
15 CHECK IGNITION POWER SUPPLY CIR-
CUIT.
1) Turn the ignition switch to ON (engine
OFF).
2) Measure the ignition power supply voltage
between TCM connector and chassis ground.
Connector & terminal
(B55) No. 1 (+) — Chassis ground (–):
(B55) No. 10 (+) — Chassis ground (–):
Is the voltage 10 — 13 V? Go to step 17.Go to step 16.
16 CHECK FUSE (No. 5).
Remove the fuse (No. 5).
Is the fuse (No. 5) blown out? Replace the fuse
(No. 5). If the
replaced fuse (No.
5) blows out easily,
repair the short cir-
cuit of harness
between fuse (No.
5) and TCM.
Go to step 17.
17 CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from TCM.
3) Measure the resistance of the harness
between TCM and transmission ground.
Connector & terminal
(B54) No. 19 — Transmission ground:
(B55) No. 21 — Transmission ground:
(B54) No. 5 — Transmission ground:
(B54) No. 14 — Transmission ground:
Is the resistance more than 1
MΩ?
Repair the short
circuit of harness
between TCM and
transmission har-
ness connector,
and poor contact
of connector.
Go to step 18.
18 CHECK POOR CONTACT OF CONNEC-
TORS.
Is there poor contact in TCM
power supply, ground and data
link connector?
Repair the con-
nector.
Replace the TCM.
Tr a n s m i s s i o n C o n -
trol Module
(TCM).>
Step Check Yes No

5AT(diag)-28
List of Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
13.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC Item Content of diagnosis Reference target
P0705
Tr a n s m i s s i o n R a n g e
Sensor Circuit (PRNDL
Input)
Inhibitor switch malfunction, open
or short circuit
SION RANGE SENSOR CIRCUIT (PRNDL
INPUT), Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0712
Tr a n s m i s s i o n F l u i d Te m -
perature Sensor Circuit
Low Input
AT F t e m p e r a t u r e s e n s o r 1 m a l -
function, or open input signal cir-
cuit
SION FLUID TEMPERATURE SENSOR CIR-
CUIT LOW INPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0713
Tr a n s m i s s i o n F l u i d Te m -
perature Sensor Circuit
High Input
AT F t e m p e r a t u r e s e n s o r 1 m a l -
function, short input signal circuit
SION FLUID TEMPERATURE SENSOR CIR-
CUIT HIGH INPUT, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0715Input/Turbine Speed
Sensor Circuit
Tu r b i n e s p e e d s e n s o r 1 m a l f u n c -
tion, short input signal circuit
BINE SPEED SENSOR CIRCUIT, Diagnostic
Procedure with Diagnostic Trouble Code
(DTC).>
P0719To r q u e C o n v e r t e r / B r a k e
Switch “B” Circuit Low
Brake switch malfunction, open
input signal circuit, body inte-
grated unit malfunction, CAN
communication malfunction
CONVERTER/BRAKE SWITCH “B” CIRCUIT
LOW, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0720Output Speed Sensor
Circuit
Front wheel speed sensor is
faulty or input signal circuit,
ground, power supply is open or
shorted.
SPEED SENSOR CIRCUIT, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
P0724To r q u e C o n v e r t e r / B r a k e
Switch “B” Circuit High
Brake switch malfunction, short
circuit of input signal, body inte-
grated unit, CAN communication
malfunction
CONVERTER/BRAKE SWITCH “B” CIRCUIT
HIGH, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0725Engine Speed Input Cir-
cuit
Open or short engine speed out-
put signal circuit, ECM malfunc-
tion, CAN communication
malfunction
SPEED INPUT CIRCUIT, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
P0731 Gear 1 Incorrect Ratio
Ve h i c l e s e n s o r, t u r b i n e s p e e d
sensor, control valve malfunction
or shift clutch malfunction
INCORRECT RATIO, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0732 Gear 2 Incorrect Ratio
Ve h i c l e s e n s o r, t u r b i n e s p e e d
sensor, control valve malfunction
or shift clutch malfunction
INCORRECT RATIO, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0733 Gear 3 Incorrect RatioVe h i c l e s e n s o r, t u r b i n e s p e e d
sensor or shift clutch malfunction
INCORRECT RATIO, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0734 Gear 4 Incorrect RatioVe h i c l e s e n s o r, t u r b i n e s p e e d
sensor or shift clutch malfunction
INCORRECT RATIO, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0735 Gear 5 Incorrect RatioVe h i c l e s e n s o r, t u r b i n e s p e e d
sensor or shift clutch malfunction
INCORRECT RATIO, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0736 Reverse Incorrect RatioVe h i c l e s e n s o r, t u r b i n e s p e e d
sensor or shift clutch malfunction
INCORRECT RATIO, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0741
To r q u e C o n v e r t e r C l u t c h
Circuit Performance or
Stuck Off
Lock-up clutch is faulty or valve is
stuck.
CONVERTER CLUTCH CIRCUIT PERFOR-
MANCE OR STUCK OFF, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>

5AT(diag)-30
List of Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
P0957Backup Light Relay Cir-
cuit Low
Back-up relay output circuit is
open, shorted or relay OFF mal-
function
LIGHT RELAY CIRCUIT LOW, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
P0958Backup Light Relay Out-
put Circuit High
Back-up relay output circuit is
open, shorted or relay ON mal-
function
LIGHT RELAY CIRCUIT HIGH, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
P1601TCM Data Communica-
tion Failure
Communication Failure between
TCM and Memory Box
COMMUNICATION FAILURE, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
P1706
AT Ve h i c l e S p e e d S e n -
sor Circuit Malfunction
(Rear Wheel)
Rear wheel speed sensor is faulty
or input circuit, ground, power
supply is open or shorted.
CLE SPEED SENSOR CIRCUIT MALFUNC-
TION (REAR WHEEL), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
P1707AT A W D S o l e n o i d V a l v e
Circuit Malfunction
AWD solenoid circuit malfunction
or AWD solenoid body malfunc-
tion
SOLENOID VALVE CIRCUIT MALFUNCTION,
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
P1710
To r q u e C o n v e r t e r Tu r -
bine 2 Speed Signal Cir-
cuit 2 Malfunction
To r q u e c o n v e r t e r s e n s o r 2 m a l -
function, input circuit, ground,
power open, short circuit
CONVERTER TURBINE 2 SPEED SIGNAL
CIRCUIT 2 MALFUNCTION, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
P1716AT F Te m p . S e n s o r 2 C i r -
cuit Low
AT F t e m p e r a t u r e s e n s o r 2 m a l -
function, or open input signal cir-
cuit
SENSOR 2 CIRCUIT LOW, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
P1717AT F Te m p . S e n s o r 2 C i r -
cuit High
AT F t e m p e r a t u r e s e n s o r 2 m a l -
function, short input signal circuit
SENSOR 2 CIRCUIT HIGH, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
P1718AT C A N C o m m u n i c a t i o n
Circuit
CAN communication line bus off
is open, EUM short circuit, ABS/
VDCCM, integrated CU malfunc-
tion
COMMUNICATION CIRCUIT, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
P1798 Gear 1 Engine Brake
Malfunction of clutch oil pressure
related to 1st engine brake, sole-
noid current malfunction
ENGINE BRAKE, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P1799 Interlock
Malfunction of clutch oil pressure
which emit interlock, solenoid
current malfunction
LOCK, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P1817SPORT Mode Switch
Circuit (Manual Switch)
Manual mode switch is open or
shorted, or switch malfunction
MODE SWITCH CIRCUIT (MANUAL SWITCH),
Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
P1840
Tr a n s m i s s i o n F l u i d P r e s -
sure Sensor/Switch A
Circuit
Fr/B oil pressure switch is open or
shorted, or switch malfunction
SION FLUID PRESSURE SENSOR/SWITCH A
CIRCUIT, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P1842
Tr a n s m i s s i o n F l u i d P r e s -
sure Sensor/Switch C
Circuit
I/C oil pressure switch is open or
shorted, or switch malfunction.
SION FLUID PRESSURE SENSOR/SWITCH C
CIRCUIT, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P1843
Tr a n s m i s s i o n F l u i d P r e s -
sure Sensor/Switch D
Circuit
D/C oil pressure switch is open or
shorted, or switch malfunction.
SION FLUID PRESSURE SENSOR/SWITCH D
CIRCUIT, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P1844
Tr a n s m i s s i o n F l u i d P r e s -
sure Sensor/Switch E
Circuit
H&LR/C oil pressure switch is
open or shorted, or switch mal-
function.
SION FLUID PRESSURE SENSOR/SWITCH E
CIRCUIT, Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
DTC Item Content of diagnosis Reference target

5AT(diag)-36
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step Check Yes No
1CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from TCM and
transmission.
3) Measure the resistance of harness
between TCM and transmission connector.
Connector & terminal
(B54) No. 13 — (B11) No. 12:
(B54) No. 2 — (B11) No. 5:
Is the resistance less than 1
Ω?
Go to step 2.Repair the open
circuit of harness
between TCM and
transmission con-
nector.
2CHECK ATF TEMPERATURE SENSOR.
1) Turn the ignition switch to OFF.
2) Connect the connectors to transmission
and TCM.
3) Turn the ignition switch to ON and start
engine.
4) Warm-up the transmission until the ATF
temperature reaches to 80°C (176°F).
NOTE:
If the ambient temperature is below 0°C (32°F),
drive the vehicle until the ATF reaches its oper-
ating temperature.
5) Disconnect the connector from transmis-
sion.
6) Measure the resistance between transmis-
sion connector terminals.
Connector & terminal
(T4) No. 5 — (T4) No.12:
Is the resistance between 500
— 1,200 Ω?
Go to step 3.Go to step 5.
3CHECK ATF TEMPERATURE SENSOR.
Measure the resistance between transmission
connector terminals.
Connector & terminal
(T4) No. 5 — (T4) No.12:
Does the resistance value
increase while the ATF temper-
ature decreases?
Go to step 4.Go to step 5.
4CHECK INPUT SIGNAL FOR TCM USING
SUBARU SELECT MONITOR.
1) Connect the connector.
2) Turn the ignition switch to ON. (Engine
OFF)
3) Read the ATF temperature using Subaru
Select Monitor.
Does the ATF temperature
gradually decrease?
Even if the SPORT
indicator light
blinks, the system
is in normal condi-
tion. A temporary
poor contact of
connector or har-
ness may be the
cause. Repair the
poor contact of
harness between
AT F t e m p e r a t u r e
sensor and trans-
mission connector.
Go to step 6.

5AT(diag)-39
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step Check Yes No
1CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from TCM and
transmission.
3) Measure the resistance of harness
between TCM connector and chassis ground.
Connector & terminal
(B54) No. 13 — Chassis ground:
(B54) No. 2 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 2.Repair the short
circuit of harness
between TCM and
transmission con-
nector.
2CHECK ATF TEMPERATURE SENSOR.
1) Turn the ignition switch to OFF.
2) Connect the connectors to transmission
and TCM.
3) Turn the ignition switch to ON and start
engine.
4) Warm-up the transmission until the ATF
temperature reaches to 80°C (176°F).
NOTE:
If the ambient temperature is below 0°C (32°F),
drive the vehicle until the ATF reaches its oper-
ating temperature.
5) Disconnect the connector from transmis-
sion.
6) Measure the resistance between transmis-
sion connector terminals.
Connector & terminal
(T4) No. 5 — (T4) No.12:
Is the resistance between 500
— 1,200 Ω?
Go to step 3.Go to step 5.
3CHECK ATF TEMPERATURE SENSOR.
Measure the resistance between transmission
connector terminals.
Connector & terminal
(T4) No. 5 — (T4) No.12:
Does the resistance value
increase while the ATF temper-
ature decreases?
Go to step 4.Go to step 5.
4CHECK INPUT SIGNAL FOR TCM USING
SUBARU SELECT MONITOR.
1) Connect the connector.
2) Turn the ignition switch to ON. (Engine
OFF)
3) Read the ATF temperature using Subaru
Select Monitor.
Does the ATF temperature
gradually decrease?
Even if the SPORT
indicator light
blinks, the system
is in normal condi-
tion. A temporary
poor contact of
connector or har-
ness may be the
cause. Repair the
poor contact of
harness between
AT F t e m p e r a t u r e
sensor and trans-
mission connector.
Go to step 6.

5AT(diag)-42
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step Check Yes No
1CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from TCM and
transmission.
3) Measure the resistance of harness
between TCM connector and transmission
connector.
Connector & terminal
(B55) No. 16 — (B12) No. 7:
(B54) No. 16 — (B11) No. 7:
Is the resistance less than 1
Ω?
Go to step 2.Repair the open
circuit of harness
between TCM and
transmission con-
nector.
2CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
Measure the resistance of harness between
TCM connector and chassis ground.
Connector & terminal
(B55) No. 16 — Chassis ground:
(B54) No. 16 — Chassis ground:
Is the resistance more than 1
MΩ?
Go to step 3.Repair the short
circuit of harness
between TCM and
chassis ground.
3CHECK TCM POWER SUPPLY OUTPUT.
1) Connect the TCM connector. (Transmission
connector is disconnected)
2) Turn the ignition switch to ON. (Engine
OFF)
3) Measure the voltage between TCM con-
nector and chassis ground.
Connector & terminal
(B54) No. 16 (+) — Chassis ground (–):
Is the voltage 10 — 13 V? Go to step 4.Go to step 5.
4CHECK TURBINE SPEED SENSOR INPUT
CIRCUIT OF TCM.
Measure the voltage between TCM connector
terminals.
Connector & terminal
(B55) No. 16 (+) — (B54) No. 19 (–):
Is the voltage 4 — 6 V? Go to step 6.Go to step 5.
5CHECK TCM I/O SIGNAL.
Check I/O signal of power supply, ground and
PVIGN power supply relay.
CATION, Transmission Control Module (TCM)
I/O Signal.>
Is TCM I/O signal OK? Replace the TCM.
Tr a n s m i s s i o n C o n -
trol Module
(TCM).>
Repair the open or
short circuit for
power supply and
ground. Perform
the diagnosis
according to DTC
for PVIGN power
supply relay.
6CHECK HARNESS ASSEMBLY (TURBINE
SPEED SENSOR GROUND).
Check the installing condition of ground con-
necting harness of harness assembly (used for
both of turbine speed sensor 1, rear vehicle
speed sensor).
Is the ground connecting har-
ness installed securely to the
transmission body? Is there
any serious damage in the har-
ness and terminal?
Go to step 7.When poor instal-
lation of ground
occurs, install it
securely. Replace
the transmission
assembly if the
harness or termi-
nal is damaged.
Automatic Trans-
mission Assem-
bly.>