Almera Tino V10 (2003 year). Manual — part 20
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-305
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
M
A
B
AT
3
GY/R
Torque converter
clutch solenoid
valve
When A/T performs lock-up.
8 - 15V
When A/T does not perform lock-up.
0V
5*
2
L
CAN (H)
—
—
—
6*
2
R
CAN (L)
—
—
—
10
BR/R
Power source
or
When turning ignition switch to “ON”.
Battery voltage
When turning ignition switch to
“OFF”.
0V
11
L/W
Shift solenoid
valve A
When shift solenoid valve A oper-
ates.
(When driving in “D
1
” or “D
4
”.)
Battery voltage
When shift solenoid valve A does not
operate.
(When driving in “D
2
” or “D
3
”.)
0V
12
L/Y
Shift solenoid
valve B
When shift solenoid valve B oper-
ates.
(When driving in “D
1
” or “D
2
”.)
Battery voltage
When shift solenoid valve B does not
operate.
(When driving in “D
3
” or “D
4
”.)
0V
19
BR/R
Power source
or
Same as No. 10
20
L/B
Overrun clutch
solenoid valve
When overrun clutch solenoid valve
operates.
Battery voltage
When overrun clutch solenoid valve
does not operate.
0V
25
B
Ground
—
—
0V
26
BR/Y
PNP switch “1”
position
and
When setting selector lever to “1”
position.
Battery voltage
When setting selector lever to other
positions.
0V
27
L
PNP switch “2”
position
When setting selector lever to “2”
position.
Battery voltage
When setting selector lever to other
positions.
0V
28
R/B
Power source
(Memory back-up)
or
When turning ignition switch to
“OFF”.
Battery voltage
When turning ignition switch to “ON”.
Battery voltage
29
W
Revolution sensor
When moving at 20 km/h (12 MPH),
use the CONSULT-II pulse frequency
measuring function.*
1
CAUTION:
Connect the diagnosis data link
cable to the vehicle diagnosis
connector.
150 Hz
When vehicle parks.
Under 1.3V or
over 4.5V
Termi-
nal No.
Wire color
Item
Condition
Judgementstan-
dard(Approx.)
AT-306
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
*1: A circuit tester cannot be used to test this item.
*2: These terminals are connected to the ECM.
*3: These terminals are connected to the data link connector.
30 *
3
G/B
CONSULT- II (RX)
—
—
31 *
3
GY/L
CONSULT- II (TX)
—
—
32 *
2
R
Throttle position
sensor
(Power source)
or
When turning ignition switch to “ON”.
4.5 - 5.5V
When turning ignition switch to
“OFF”.
0V
34
W/G
PNP switch “D”
position
and
When setting selector lever to “D”
position.
Battery voltage
When setting selector lever to other
positions.
0V
35
G/W
PNP switch “R”
position
When setting selector lever to “R”
position.
Battery voltage
When setting selector lever to other
positions.
0V
36
G
PNP switch “N” or
“P” position
When setting selector lever to “N” or
“P” position.
Battery voltage
When setting selector lever to other
positions.
0V
39 *
2
L/OR
Engine speed sig-
nal
and
EC-XX, “ECM INSPECTION TABLE”.
40
L/B
Vehicle speed
sensor
When moving vehicle at 2 to 3 km/h
(1 to 2 MPH) for 1 m (3 ft) or more.
Voltage varies
between less
than 0V and
more than 4.5V
41*
2
GY
Throttle position
sensor
When depressing accelerator pedal
slowly after warming up engine.
(Voltage rises gradually in response
to throttle position.)
Fully-closed
throttle: 0.5V
Fully-open throt-
tle: 4V
42
B
Throttle position
sensor
(Ground)
—
—
—
47
BR
A/T fluid tempera-
ture sensor
When ATF temperature is 20
°
C
(68
°
F).
1.5V
When ATF temperature is 80
°
C
(176
°
F).
0.5V
48
B
Ground
—
—
0V
Termi-
nal No.
Wire color
Item
Condition
Judgementstan-
dard(Approx.)
CAN COMMUNICATION
AT-307
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
M
A
B
AT
CAN COMMUNICATION
PFP:23710
System Description
ECS00A0J
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Unit
ECS00A0K
CAN COMMUNICATION UNIT FOR MODELS WITH ESP
System diagram
Input/output signal chart
T: Transmit R: Receive
YEL465E
Signals
ECM
TCM
ESP/TCS/
ABS control
unit
Smart
entrance
control unit
Steering
angle sensor
Combination
meter
Engine speed signal
T
R
R
Brake switch signal
R
T
Rear window defogger signal
R
T
Heater fan switch signal
R
T
Air conditioner switch signal
R
T
MI signal
T
R
Engine coolant temperature signal
T
R
Fuel consumption signal
T
R
Vehicle speed signal
T
R
R
T
Seat belt reminder signal
R
T
Headlamp switch signal
T
R
Flashing indicator signal
T
R
Engine cooling fan speed signal
T
R
Door switches state signal
T
R
A/C compressor signal
T
R
A/C compressor feedback signal
T
R
Accelerator pedal position signal
T
R
Output shaft revolution signal
R
T
OD OFF switch signal
R
T
OD OFF indicator signal
T
R
A/T self-diagnosis signal
R
T
P range signal
T
R
AT-308
[EXC.F/EURO-OBD]
CAN COMMUNICATION
CAN COMMUNICATION UNIT FOR MODELS WITHOUT ESP
System diagram
Input/output signal chart
T: Transmit R: Receive
Steering angle sensor signal
R
T
A/T position indicator signal
R
T
R
R
ABS warning lamp signal
T
R
Slip indicator lamp signal
T
R
VDC Off indicator lamp signal
T
R
Brake warning lamp signal
T
R
N range switch signal
R
T
P range switch signal
R
T
Signals
ECM
TCM
ESP/TCS/
ABS control
unit
Smart
entrance
control unit
Steering
angle sensor
Combination
meter
YEL468E
Signals
ECM
TCM
ABS actuator
and electric
unit (control
unit)
Smart entrance
control unit
Combination
meter
Engine speed signal
T
R
Brake switch signal
R
T
Rear window defogger signal
R
T
Heater fan switch signal
R
T
Air conditioner switch signal
R
T
MI signal
T
R
Engine coolant temperature signal
T
R
Fuel consumption signal
T
R
Vehicle speed signal
T
R
R
T
Seat belt reminder signal
R
T
Headlamp switch signal
T
R
Flashing indicator signal
T
R
Engine cooling fan speed signal
T
R
Door switches state signal
T
R
A/C compressor signal
T
R
A/C compressor feedback signal
T
R
Accelerator pedal position signal
T
R
Output shaft revolution signal
R
T
CAN COMMUNICATION
AT-309
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
M
A
B
AT
ABS operation signal
T
R
OD OFF switch signal
R
T
OD OFF indicator signal
T
R
A/T self-diagnosis signal
R
T
ABS warning lamp signal
T
R
N range switch signal
R
T
P range switch signal
R
T
Signals
ECM
TCM
ABS actuator
and electric
unit (control
unit)
Smart entrance
control unit
Combination
meter
AT-310
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
TROUBLE DIAGNOSES FOR SYMPTOMS
PFP:00100
Wiring Diagram — AT — NONDTC
ECS009A6
YAT386A
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-311
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
M
A
B
AT
YAT387A
AT-312
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
1. O/D OFF Indicator Lamp Does Not Come On
ECS009A7
SYMPTOM:
O/D OFF indicator lamp does not come on for about 2 seconds when turning ignition switch to “ON”.
1.
CHECK TCM POWER SOURCE
1.
Turn ignition switch to “ON” position.
(Do not start engine.)
2.
Check voltage between TCM terminals 10, 19, 28 and ground.
3.
Turn ignition switch to “OFF” position.
4.
Check voltage between TCM terminal 28 and ground.
OK or NG
OK
>> GO TO 2
NG
>> Check the following items:
●
Harness for short or open between ignition switch and
TCM terminals 10, 19 and 28 (Main harness).
●
Refer to
AT-344, "Wiring Diagram — AT — MAIN"
.
●
Ignition switch and fuse. Refer to EL-11, “Power Supply Routing”.
2.
CHECK TCM GROUND CIRCUIT
1.
Turn ignition switch to “OFF” position.
2.
Disconnect TCM harness connector.
3.
Check continuity between TCM terminals 25, 48 and ground.
If OK, check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 3
NG
>> Repair open circuit or short to ground or short to power
in harness or connectors. Refer to
.
3.
CHECK LAMP CIRCUIT
1.
Turn ignition switch to “OFF” position.
2.
Check resistance between TCM terminals 13 and 10, 19.
3.
Reinstall any part removed.
OK or NG
OK
>> GO TO 4
NG
>> Check the following items:
●
O/D OFF indicator lamp.
Refer to EL-102, ”Combination Meter”.
●
Harness and fuse for short or open between ignition
switch and O/D OFF indicator lamp (Main harness)
Refer to EL-11, “Power Supply Routing”.
●
Harness for short or open between O/D OFF indicator lamp and TCM.
Voltage:
Battery voltage
Voltage:
Battery voltage
SCIA0713E
Continuity should exist.
SCIA0766E
Resistance:
50 - 100
Ω
SCIA0767E
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-313
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
M
A
B
AT
4.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
2. Engine Cannot Be Started In “P” and “N” Position
ECS009A8
SYMPTOM:
●
Engine cannot be started with selector lever in “P” or “N” position.
●
Engine can be started with selector lever in “D”, “2”, “1” or “R” position.
1.
CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
Yes or No
Yes
>> Check PNP switch circuit. Refer to
.
No
>> GO TO 2
2.
CHECK PNP SWITCH INSPECTION
Check for short or open of PNP switch harness connector terminals 1 and 2.
Refer to
AT-337, "21. TCM Self-diagnosis Does Not Activate (PNP &
Overdrive Control Switches, and Throttle Position Sensor Circuit
Checks)"
.
OK or NG
OK
>> GO TO 3
NG
>> Repair or replace PNP switch.
3.
CHECK STARTING SYSTEM
Check starting system. Refer to SC-13, “Starting System”.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
3. In “P” Position, Vehicle Moves Forward Or Backward When Pushed
ECS009A9
SYMPTOM:
Vehicle moves when it is pushed forward or backward with selector lever in “P” position.
SCIA0706E
MCIA0102E
AT-314
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
1.
CHECK PARKING COMPONENTS
Check parking components. Refer to
Gear, Reduction Pinion Gear and Bearing Retainer"
.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
SAT282F
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-315
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
M
A
B
AT
4. In “N” Position, Vehicle Moves
ECS009AA
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
1.
CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
Yes or No
Yes
>> Check PNP switch circuit. Refer to
.
No
>> GO TO 2
2.
CHECK CONTROL CABLE
Check control cable. Refer to
AT-412, "Control Cable Adjustment"
.
OK or NG
OK
>> GO TO 3
NG
>> Adjust control cable. Refer to
.
3.
CHECK A/T FLUID LEVEL
Check A/T fluid level again.
OK or NG
OK
>> GO TO 4
NG
>> Refill ATF.
SCIA0706E
SAT023JB
SAT638A
AT-316
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
4.
CHECK A/T FLUID CONDITION
1.
Remove oil pan, refer to
.
2.
Check A/T fluid condition.
OK or NG
OK
>> GO TO 5
NG
>> 1. Disassemble A/T.
2. Check the following items:
–
Forward clutch assembly
–
Overrun clutch assembly
–
Reverse clutch assembly
5.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
5. Large Shock. “N”
→
“R” Position
ECS009AB
SYMPTOM:
There is large shock when changing from “N” to “R” position.
1.
CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to A/T fluid temperature sensor,
line pressure solenoid valve or throttle position sensor circuit?
Yes or No
Yes
>>
●
Check damaged circuit. Refer to the following items.
–
AT-392, "LINE PRESSURE SOLENOID VALVE"
–
THROTTLE POSITION SENSOR:
RATOR PEDAL POSITION (APP) SENSOR"
–
AT-381, "BATT/FLUID TEMP SEN (A/T FLUID TEMP
SENSOR CIRCUIT AND TCM POWER SOURCE)"
No
>> GO TO 2
2.
CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) sensor.
Refer to
AT-356, "ACCELE RATOR PEDAL POSITION (APP) SEN-
.
OK or NG
OK
>> GO TO 3
NG
>> Repair or replace Accelerator pedal position(APP)sen-
sor.
SAT171B
SCIA0769E
MCIA0096E
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-317
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
M
A
B
AT
3.
CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer
to
.
OK or NG
OK
>> GO TO 4
NG
>> 1. Remove control valve assembly. Refer to
"Control Valve Assembly and Accumulators"
.
2. Check the following items:
–
Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–
Line pressure solenoid valve
4.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
6. Vehicle Does Not Creep Backward In “R” Position
ECS009AC
SYMPTOM:
Vehicle does not creep backward when selecting “R” position.
1.
CHECK A/T FLUID LEVEL
Check A/T fluid level again.
OK or NG
OK
>> GO TO 2
NG
>> Refill ATF.
SAT494G
SAT638A
AT-318
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
2.
CHECK STALL TEST
Check stall revolution with selector lever in “1” and “R” positions.
Refer to
.
OK or NG
OK
>> GO TO 3
OK in “1” position, NG in “R” position>>1.Remove
control
valve
assembly. Refer to
AT-410, "Control Valve Assembly
.
2. Check the following items:
–
Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–
Line pressure solenoid valve (
)
3. Disassemble A/T.
4. Check the following items:
–
Oil pump assembly
–
Torque converter
–
Reverse clutch assembly
–
High clutch assembly
–
Low & reverse brake assembly
–
Low one-way clutch
NG in both “1” and “R” positions>>GO TO 6
3.
CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “R” position. Refer
to
.
OK or NG
OK
>> GO TO 4
NG
>> 1. Remove control valve assembly. Refer to
"Control Valve Assembly and Accumulators"
.
2. Check the following items:
–
Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–
Line pressure solenoid valve (
)
3. Disassemble A/T.
4. Check the following item:
–
Oil pump assembly
SAT493G
SAT494G
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-319
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
M
A
B
AT
4.
CHECK A/T FLUID CONDITION
1.
Remove oil pan, refer to
.
2.
Check A/T fluid condition.
OK or NG
OK
>> GO TO 5
NG
>> GO TO 6
5.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
6.
DETECT MALFUNCTIONING ITEM
1.
Remove control valve assembly. Refer to
AT-410, "Control Valve Assembly and Accumulators"
.
2.
Check the following items:
–
Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–
Line pressure solenoid valve (
AT-392, "LINE PRESSURE SOLENOID VALVE"
)
3.
Disassemble A/T.
4.
Check the following items:
–
Oil pump assembly
–
Torque converter
–
Reverse clutch assembly
–
High clutch assembly
–
Low & reverse brake assembly
–
Low one-way clutch
OK or NG
OK
>> GO TO 5
NG
>> Repair or replace damaged parts.
SAT171B
AT-320
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position
ECS009AD
SYMPTOM:
Vehicle does not creep forward when selecting “D”, “2” or “1” position.
1.
CHECK A/T FLUID LEVEL
Check A/T fluid level again.
OK or NG
OK
>> GO TO 2
NG
>> Refill ATF.
2.
CHECK STALL TEST
Check stall revolution with selector lever in “D” position. Refer to
.
OK or NG
OK
>> GO TO 3
NG
>> GO TO 6
3.
CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer
to
.
OK or NG
OK
>> GO TO 4
NG
>> 1. Remove control valve assembly. Refer to
"Control Valve Assembly and Accumulators"
.
2. Check the following items:
–
Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot fil-
ter)
–
Line pressure solenoid valve (
)
3. Disassemble A/T.
4. Check the following item:
–
Oil pump assembly
SAT638A
SAT493G
SAT494G
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