PNP, OD SWITCH AND CLOSED THROTTLE, WIDE OPEN THROTTLE POSI-
TION SIGNAL CIRCUIT
TM-415
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2.CHECK PNP SWITCH CIRCUIT
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Read out “P·N”, “R”, “D”, “2” and “1” position switches moving selector lever to each position.
OK or NG
OK >> GO TO 7.
NG >> GO TO 4.
3.CHECK PNP SWITCH CIRCUIT
Without CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground
while moving selector lever through each position.
B: Battery voltage
0: 0V
OK or NG
OK >> GO TO 7.
NG >> GO TO 4.
Item name Condition Display value
PN POSI SWWhen setting selector lever to “N” or “P” posi-
tion.ON
When setting selector lever to other positions. OFF
R POSITION SWWhen setting selector lever to “R” position. ON
When setting selector lever to other positions. OFF
D POSITION SWWhen setting selector lever to “D” positions. ON
When setting selector lever to other positions. OFF
2 POSITION SWWhen setting selector lever to “2” position. ON
When setting selector lever to other positions. OFF
1 POSITION SWWhen setting selector lever to “1” position. ON
When setting selector lever to other positions. OFF
Selector lever positionTe r m i n a l
36 35 34 27 26
“P”, “N” B 0 0 0 0
“R” 0B000
“D” 0 0 B 0 0
“2” 0 0 0 B 0
“1” 0 0 0 0 B
SCIA7162E
TM-416
< COMPONENT DIAGNOSIS >[TYPE 2 (4AT: RE4F03B)]
PNP, OD SWITCH AND CLOSED THROTTLE, WIDE OPEN THROTTLE POSI-
TION SIGNAL CIRCUIT
4.CHECK PNP SWITCH
1. Turn ignition switch OFF.
2. Disconnect PNP switch harness connector.
3. Check continuity between PNP switch harness connector termi-
nals.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5.CHECK CONTROL CABLE ADJUSTMENT
Check PNP switch again with control cable disconnected from manual shaft of A/T assembly. Refer to test
group 4.
OK or NG
OK >> Adjust control cable. Refer to XX-XX, "*****".
NG >> Repair or replace PNP switch. Refer to XX-XX, "*****"
.
6.DETECT MALFUNCTIONING ITEM
Check the following.
Harness for short or open between ignition switch and PNP switch
Harness for short or open between PNP switch and TCM
Harness for short or open between PNP switch and combination meter
Harness for short or open between combination meter and TCM
10A fuse (No.51, located in the IPDM E/R)
Combination meter.
Ignition switch.
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7.CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Read out “OVERDRIVE SW”. Check the signal of overdrive control switch is indicated properly.
Without CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
Selector lever position Connector Terminal Continuity
“P”
F251 - 2, 3 - 7
Ye s
*Continuity
should not
exist in posi-
tions other
than the
specified
positions. “R” 3 - 8
“N” 1 - 2, 3 - 9
“D” 3 - 6
“2” 3 - 5
“1” 3 - 4
SCIA5588E
Item nameOverdrive control switch
ConditionDisplay value
OVERDRIVE SWDepressed ON
Released OFF
TM-418
< COMPONENT DIAGNOSIS >[TYPE 2 (4AT: RE4F03B)]
PNP, OD SWITCH AND CLOSED THROTTLE, WIDE OPEN THROTTLE POSI-
TION SIGNAL CIRCUIT
11 .PERFORM SELF-DIAGNOSIS
Without CONSULT-III
Perform self-diagnosis. Refer to XX-XX, "*****"
.
OK or NG
OK >>INSPECTION END
NG − 1 >> Self-diagnosis does not activate: GO TO 12.
NG − 2 >> DTC is displayed: Check the malfunctioning system. Refer to XX-XX, "*****"
.
12.CHECK TCM
1. Check TCM input/output signal. Refer to XX-XX, "*****"
.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Component InspectionINFOID:0000000001713110
OVERDRIVE CONTROL SWITCH
Check continuity between A/T device harness connector terminals.
PNP SWITCH
1. Check continuity between PNP switch harness connector termi-
nals.
2. If NG, check again with control cable (2) disconnected from
manual shaft of A/T assembly. Refer to step 1.
(1): Lock nut
(3): Manual shaft
3. If OK on step 2, adjust control cable (2). Refer to XX-XX, "*****"
.
4. If NG on step 2, remove PNP switch from A/T assembly and
check continuity of PNP switch terminals. Refer to step 1.
5. If OK on step 4, adjust PNP switch. Refer to XX-XX, "*****"
.
6. If NG on step 4, replace PNP switch. Refer to XX-XX, "*****"
.
Item Connector TerminalOverdrive control
switch conditionContinuity
A/T device harness con-
nector (Overdrive con-
trol switch)M38 1 - 2Released No
Depressed Yes
SCIA5330E
Selector lever position Connector Terminal Continuity
“P”
F251 - 2, 3 - 7
Ye s
*Continuity
should not
exist in posi-
tions other
than the
specified
positions. “R” 3 - 8
“N” 1 - 2, 3 - 9
“D” 3 - 6
“2” 3 - 5
“1” 3 - 4
SCIA5588E
SCIA6370J
TM-422
< ECU DIAGNOSIS >[TYPE 2 (4AT: RE4F03B)]
TCM
ECU DIAGNOSIS
TCM
Reference ValueINFOID:0000000001714339
REFERENCE VALUES
NOTICE:
1. The CONSULT-III electrically displays shift timing and lock-up timing (that is, operation timing of each
solenoid).
Check for time difference between actual shift timing and the CONSULT-III display. If the difference is
noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical
parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-III and that indicated in Service Man-
ual may differ slightly. This occurs because of the following reasons:
- Actual shift schedule has more or less tolerance or allowance,
- Shift schedule indicated in Service Manual refers to the point where shifts start, and
- Gear position displayed on CONSULT-III indicates the point where shifts are completed.
3. Shift solenoid valve “A” or “B” is displayed on CONSULT-III at the start of shifting. Gear position is dis-
played upon completion of shifting (which is computed by TCM).
Item name Condition Display value (Approx.)
VHCL/S SE-A/T
During drivingApproximately matches the speedometer
reading.
VHCL/S SE-MTR
THROTTLE POSIReleased accelerator pedal. 0.0/8
Fully depressed accelerator pedal. 8.0/8
FLUID TEMP SE When A/T fluid temperature is 20°C (68°F). 1.5V
When A/T fluid temperature is 80°C (176°F). 0.5V
BATTERY VOLT When turning ignition switch to “ON”. Battery voltage
ENGINE SPEED Engine runningApproximately matches the tachometer
reading.
TURBINE REV During driving (lock-up ON) Approximately matches the engine speed.
OVERDRIVE SWWhen overdrive control switch is depressed. ON
When overdrive control switch is released. OFF
PN POSI SWWhen setting selector lever to “N” or “P” position. ON
When setting selector lever to other positions. OFF
R POSITION SWWhen setting selector lever to “R” position. ON
When setting selector lever to other positions. OFF
D POSITION SWWhen setting selector lever to “D” position. ON
When setting selector lever to other positions. OFF
2 POSITION SWWhen setting selector lever to “2” position. ON
When setting selector lever to other positions. OFF
1 POSITION SWWhen setting selector lever to “1” position. ON
When setting selector lever to other positions. OFF
CLOSED THL/SWReleased accelerator pedal. ON
Depressed accelerator pedal. OFF
W/O THRL/P-SWFully depressed accelerator pedal. ON
Released accelerator pedal. OFF
TCM
TM-423
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TCM CONNECTOR TERMINAL LAYOUT
TERMINALS AND REFERENCE VALUES FOR TCM
Data are reference valuesand are measured between each terminal and ground.
SHIFT S/V AWhen shift solenoid valve A operates.
(When driving in “D1” or “D4”.)ON
When shift solenoid valve A does not operate.
(When driving in “D
2” or “D3”.)OFF
SHIFT S/V BWhen shift solenoid valve B operates.
(When driving in “D
1” or “D2”.)ON
When shift solenoid valve B does not operate.
(When driving in “D
3” or “D4”.)OFF
OVERRUN/C S/VWhen overrun clutch solenoid valve operates.
(When overrun clutch disengaged. Refer to TM-
14.)ON
When overrun clutch solenoid valve does not
operate. (When overrun clutch engaged. Refer
to TM-14
.)OFF
BRAKE SWDepressed brake pedal. ON
Released brake pedal. OFF
GEAR During driving 1, 2, 3, 4
SLCT LVR POSIWhen setting selector lever to “N” or “P” posi-
tions.N · P
When setting selector lever to “R” position. R
When setting selector lever to “D” position. D
When setting selector lever to “2” position. 2
When setting selector lever to “1” position. 1
VEHICLE SPEED During drivingApproximately matches the speedometer
reading.
LINE PRES DTY Line pressure low ⇔ Line pressure high 0% ⇔ 94%
TCC S/V DUTY Lock-up OFF ⇔ Lock-up ON 4% ⇔ 94% Item name Condition Display value (Approx.)
SCIA0495E
Te r m i n a lWire
colorItem ConditionJudgement stan-
dard (Approx.)
1WLine pressure solenoid
valveWhen releasing accelerator pedal after
warming up engine.1.5 - 3.0V
When depressing accelerator pedal ful-
ly after warming up engine.0V
2PLine pressure solenoid
valve (with dropping re-
sistor)When releasing accelerator pedal after
warming up engine.4 - 14V
When depressing accelerator pedal ful-
ly after warming up engine.0V
TM-428
< ECU DIAGNOSIS >[TYPE 2 (4AT: RE4F03B)]
TCM
If non-standard solenoid signal is sent to TCM, torque converter clutch solenoid valve is turned OFF to release
lock-up.
Overrun Clutch Solenoid Valve
If non-standard solenoid signal is sent to TCM, overrun clutch solenoid valve is turned OFF to engage overrun
clutch. This will result in more effective engine brake during deceleration.
Alphabetical IndexINFOID:0000000001714344
NOTE:
If DTC “CAN COMM CIRCUIT” is displayed with other DTCs, first perform the trouble diagnosis for
DTC “CAN COMM CIRCUIT”. Refer to XX-XX, "*****"
.
X: Applicable, —: Not applicable
Items (CONSULT-II screen terms)TCM self-diagnosis
Reference
page OD OFF indi-
cator lamp“A/T” with
CONSULT-II
A/T 1ST GR FNCTN — XXX-XX, "*****"
A/T 2ND GR FNCTN — XXX-XX, "*****"
A/T 3RD GR FNCTN — XXX-XX, "*****"
A/T 4TH GR FNCTN — XXX-XX, "*****"
A/T TCC S/V FNCTN — XXX-XX, "*****"
BATT/FLUID TEMP SEN X XXX-XX, "*****"
CAN COMM CIRCUIT X XXX-XX, "*****"
CONTROL UNIT (RAM) — XXX-XX, "*****"
CONTROL UNIT (ROM) — XXX-XX, "*****"
ENGINE SPEED SIG X XXX-XX, "*****"
LINE PRESSURE S/V X XXX-XX, "*****"
OVERRUN CLUTCH S/V X XXX-XX, "*****"
SHIFT SOLENOID/V A X XXX-XX, "*****"
SHIFT SOLENOID/V B X XXX-XX, "*****"
T/C CLUTCH SOL/V X XXX-XX, "*****"
THROTTLE POSI SEN X XXX-XX, "*****"
TURBINE SENSOR X XXX-XX, "*****"
VHCL SPEED SEN-A/T X XXX-XX, "*****"
VHCL SPEED SEN-MTR X XXX-XX, "*****"
TM-456
< SYMPTOM DIAGNOSIS >[TYPE 2 (4AT: RE4F03B)]
SYSTEM SYMPTOM
7.CHECK TCM
1. Check TCM input/output signals. Refer to TM-22, "
Input/Output Signal of TCM".
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
A/T Does Not Shift: D4→ D3, When OD OFFINFOID:0000000001714361
SYMPTOM:
A/T does not shift from D
4 to D3 when OD OFF (OD OFF indicator lamp is on) on “Cruise Test — Part
3”.
1.CHECK CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to XX-XX, "*****"
or TM-38, "Diagnosis Procedure without CONSULT-III".
Is a malfunction in CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to XX-XX, "*****" (type 1) or XX-XX, "*****" (type 2).
NO >> GO TO 2.
2.CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. Read out “OVERDRIVE SW”.
Check the signal of the overdrive control switch is indicated properly.
Without CONSULT-II
1. Turn ignition switch ON. (Do not start engine)
2. Check voltage between A/T device harness connector terminal
and ground.
OK or NG
OK >> GO TO TM-450, "A/T Does Not Shift: D2→ D3".
NG >> Check overdrive control switch circuit. Refer to XX-XX, "*****"
(type 1) or XX-XX, "*****" (type 2).
A/T Does Not Shift: D3→ 22, When Selector Lever "D" → "2" PositionINFOID:0000000001714362
SYMPTOM:
A/T does not shift from D
3 to 22 when changing selector lever from “D” to “2” position on “Cruise Test
— Part 3”.
1.CHECK SYMPTOM
Check symptom. Refer to TM-183, "
Cruise Test - Part 1" or TM-185, "Cruise Test - Part 2".
Item nameOverdrive control switch
ConditionDisplay value
OVERDRIVE SWDepressed ON
Released OFF
Item Connector TerminalOverdrive
control switch
ConditionJudge-
ment
standard
(Approx.)
A/T device harness
connector (Overdrive
control switch)M38 1 - GroundReleasedBattery
voltage
Depressed 0V
SCIA5336E
SYSTEM SYMPTOM
TM-457
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Is “A/T Does Not Shift: D1 →D2 or Does Not Kickdown: D4→ D2” OK?
YES (With CONSULT-II) >>GO TO 2.
YES (Without CONSULT-II) >>GO TO 3.
NO >> GO TO TM-448, "
A/T Does Not Shift: D1→ D2or Does Not Kickdown: D4→ D2".
2.CHECK PNP SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. Read out “P·N”, “R”, “D”, “2” and “1” position switches moving selector lever to each position.
OK or NG
OK >>INSPECTION END
NG >> Check PNP switch circuit. Refer to TM-46, "
Component Inspection".
3.CHECK PNP SWITCH CIRCUIT
Without CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground
while moving selector lever through each position.
B: Battery voltage
0: 0V
OK or NG
Monitor item Condition Display value
PN POSI SWWhen setting selector lever to “N” or “P” posi-
tion.ON
When setting selector lever to other positions. OFF
R POSITION SWWhen setting selector lever to “R” position. ON
When setting selector lever to other positions. OFF
D POSITION SWWhen setting selector lever to “D” positions. ON
When setting selector lever to other positions. OFF
2 POSITION SWWhen setting selector lever to “2” position. ON
When setting selector lever to other positions. OFF
1 POSITION SWWhen setting selector lever to “1” position. ON
When setting selector lever to other positions. OFF
Selector lever positionTe r m i n a l
36 35 34 27 26
“P”, “N” B 0 0 0 0
“R” 0B000
“D” 0 0 B 0 0
“2” 0 0 0 B 0
“1” 0 0 0 0 B
SCIA7162E