Page 189 of 2771

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-177
< SERVICE INFORMATION >
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OD OFF indicator lamp does not come on for about 2 seconds when turning ignition switch to ON.
DIAGNOSTIC PROCEDURE
1.CHECK CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to AT-73, "
CONSULT-III Function (A/T)" .
Is a malfunction in CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to AT- 8 3 .
NO >> GO TO 2.
2.CHECK TCM POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground.
Refer to AT-164, "
Wiring Diagram - AT - MAIN" .
3. Turn ignition switch OFF.
4. Check voltage between TCM connector terminals and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3.DETECT MALFUNCTIONING ITEM
Check the following.
• Harness for short or open between ignition switch and TCM connector terminals 10, 19. Refer to AT-164,
"Wiring Diagram - AT - MAIN" .
• Harness for short or open between battery and TCM connector terminal 28. Refer to AT-164, "
Wiring Dia-
gram - AT - MAIN" .
• 10A fuse (No.13, located in the fuse block) and 10A fuse (No.49, located in the IPDM E/R). Refer to AT-164,
"Wiring Diagram - AT - MAIN" .
• Ignition switch. Refer to PG-3
.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4.CHECK TCM GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
Item Connector Terminal Judgement standard (Approx.)
TCM connectorE3110 -
Ground
Battery voltage 19 -
Ground
E3228 -
Ground
SCIA2656E
Item Connector Terminal Judgement standard (Approx.)
TCM connectorE3110 -
Ground0V
19 -
Ground0V
E3228 -
GroundBattery voltage
SCIA2657E
Page 201 of 2771

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-189
< SERVICE INFORMATION >
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NG >> GO TO 5.
5.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-216, "
Control Valve Assembly and Accumulators" .
2. Check the following items:
- Shift valve A
- Overrun clutch control valve
- Shift solenoid valve A
- Overrun clutch solenoid valve
- Pilot valve
- Pilot filter
3. Disassemble A/T. Refer to AT-240, "
Disassembly" .
4. Check the following items:
- Servo piston assembly
- Brake band
- Torque converter. Refer to AT-240, "
Disassembly" .
- Oil pump assembly. Refer to AT-260, "
Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
6.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-216, "
Control Valve Assembly and Accumulators" .
2. Check the following items:
- Shift valve A
- Overrun clutch control valve
- Shift solenoid valve A
- Pilot valve
- Pilot filter
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7.CHECK SYMPTOM
Check again. Refer to AT-55, "
Cruise Test - Part 1" and AT-58, "Cruise Test - Part 2" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 8.
8.CHECK TCM
1. Check TCM input/output signals. Refer to AT-71, "
TCM Terminal and Reference Value" .
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 Perform Lock-upINFOID:0000000001703346
SYMPTOM:
A/T does not perform lock-up at the specified speed on “Cruise Test — Part 1”.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT-73, "
CONSULT-III Function (A/T)" or AT-78, "Diagnosis Procedure without
CONSULT-III" .
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to AT-73, "CONSULT-III Function (A/T)" or AT-78, "Diag-
nosis Procedure without CONSULT-III" .
Page 202 of 2771

AT-190
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
NO >> GO TO 2.
2.CHECK ACCELERATOR PEDAL POSITION SENSOR
Check accelerator pedal position sensor. Refer to EC-493
.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace accelerator pedal position sensor.
3.DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT-216, "
Control Valve Assembly and Accumulators" .
2. Check following items:
- Torque converter clutch control valve
- Torque converter clutch solenoid valve
- Torque converter relief valve
- Pilot valve
- Pilot filter
3. Disassemble A/T. Refer to AT-240, "
Disassembly" .
4. Check the following items:
- Torque converter. Refer to AT-240, "
Disassembly" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4.CHECK SYMPTOM
Check again. Refer to AT-55, "
Cruise Test - Part 1" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 5.
5.CHECK TCM
1. Check TCM input/output signals. Refer to AT-71, "
TCM Terminal and Reference Value" .
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 Hold Lock-up ConditionINFOID:0000000001703347
SYMPTOM:
A/T does not hold lock-up condition for more than 30 seconds on “Cruise Test — Part 1”.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT-73, "
CONSULT-III Function (A/T)" or AT-78, "Diagnosis Procedure without
CONSULT-III" .
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to AT-73, "CONSULT-III Function (A/T)" or AT-78, "Diag-
nosis Procedure without CONSULT-III" .
NO >> GO TO 2.
2.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-230, "
Component" .
2. Check A/T fluid condition. Refer to AT-48, "
Inspections Before Trouble Diagnosis" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
Page 203 of 2771

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-191
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3.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-216, "
Control Valve Assembly and Accumulators" .
2. Check the following items:
- Torque converter clutch control valve
- Torque converter clutch solenoid valve
- Pilot valve
- Pilot filter
3. Disassemble A/T. Refer to AT-240, "
Disassembly" .
4. Check the following items:
- Torque converter. Refer to AT-240, "
Disassembly" .
- Oil pump assembly. Refer to AT-260, "
Oil Pump" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
4.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-216, "
Control Valve Assembly and Accumulators" .
2. Check the following items:
- Torque converter clutch control valve
- Torque converter clutch solenoid valve
- Pilot valve
- Pilot filter
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5.CHECK SYMPTOM
Check again. Refer to AT-55, "
Cruise Test - Part 1" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 6.
6.CHECK TCM
1. Check TCM input/output signals. Refer to AT-71, "
TCM Terminal and Reference Value" .
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.
Lock-up Is Not ReleasedINFOID:0000000001703348
SYMPTOM:
Lock-up is not released when accelerator pedal is released on “Cruise Test — Part 1”.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT-73, "
CONSULT-III Function (A/T)" or AT-78, "Diagnosis Procedure without
CONSULT-III" .
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to AT-73, "CONSULT-III Function (A/T)" or AT-78, "Diag-
nosis Procedure without CONSULT-III" .
NO >> GO TO 2.
2.CHECK SYMPTOM
Check again. Refer to AT-55, "
Cruise Test - Part 1" .
OK or NG
Page 215 of 2771
SHIFT CONTROL SYSTEM
AT-203
< SERVICE INFORMATION >
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SHIFT CONTROL SYSTEM
Control Device Removal and InstallationINFOID:0000000001703356
CONTROL DEVICE COMPONENTS
CONTROL CABLE COMPONENTS
1. Selector lever knob 2. Knob cover 3. Lock pin
4. Overdrive control switch 5. Knob finisher 6. Selector button
7. Selector button return spring 8. Position indicator plate 9. Position lamp
10. Dust cover 11. Bracket 12. Shift lock solenoid and park position
switch assembly
13. A/T device harness connector 14. Plate 15. Control device assembly
WCIA0638E
Page 216 of 2771
AT-204
< SERVICE INFORMATION >
SHIFT CONTROL SYSTEM
REMOVAL
CAUTION:
Make sure that parking brake is applied before removal/installation.
1. Place the selector lever in the “N” position.
2. Remove the center console assembly. Refer to IP-10
.
3. Disconnect the A/T device harness connector (1).
4. Remove the key interlock cable from the control device assem-
bly. Refer to AT-213, "
Removal and Installation".
5. Remove the bolts (A) from the control device assembly (1).
6. Remove exhaust front tube, center muffler and heat plates.
Refer to EM-21
.
1. Selector lever knob 2. Control device assembly 3. Lock plate
4. Floor panel 5. Control cable 6. Bracket
7. Lock plate 8. Lock nut 9. A/T assembly
10. Bracket 11. Bracket
WCIA0640E
SCIA6965E
WCIA0609E
Page 217 of 2771
SHIFT CONTROL SYSTEM
AT-205
< SERVICE INFORMATION >
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7. Remove the plate (1) from the control device assembly.
: Vehicle front
8. Remove the lock plate (1) from the control cable (2).
: Vehicle front
9. Remove the control cable (2) from the control device assembly.
10. Insert flat-bladed screwdrivers at points (A) and (B) as shown,
and press both tabs (E) and (F) at the front (C) and rear (D)
slightly toward the center of the control device assembly to
remove the control device assembly from the underside of the
vehicle.
: Vehicle front
INSTALLATION
Installation is in the reverse order of removal.
SCIA6967E
SCIA6968E
SCIA6970E
Page 218 of 2771

AT-206
< SERVICE INFORMATION >
SHIFT CONTROL SYSTEM
• When installing the control cable (1) to the control device assembly
(2), make sure that the control cable (1) is fully pressed in with the
ribbed surface (A) facing downward from the vehicle.
: Vehicle front
• After installation is completed, adjust and check the A/T position.
Refer to AT-207, "
Adjustment of A/T Position" and AT-207, "Check-
ing of A/T Position".
Control Device Disassembly and AssemblyINFOID:0000000001703357
DISASSEMBLY
NOTE:
Refer to AT-203, "
Control Device Removal and Installation" to disassemble.
1. Remove selector lever knob from control device assembly. Refer to AT-206, "
Selector Lever Knob
Removal and Installation".
2. Remove position lamp from position indicator plate (1).
3. Insert a flat-bladed screwdriver to (A) (at 4 locations) as shown,
and bend each hook slightly to raise position indicator plate (1)
and remove from control device assembly (2).
4. Remove bracket from control device assembly (2).
5. Remove A/T device harness connector from control device
assembly (2).
6. Release tabs (A) on shift lock solenoid and park position switch
assembly from hooks (B) on control device assembly to shift
lock solenoid and park position switch assembly.
ASSEMBLY
Assemble in the reverse order of disassembly.
Selector Lever Knob Removal and InstallationINFOID:0000000001703358
REMOVAL
CAUTION:
Make sure that parking brake is applied before removal/installation.
SCIA6253E
SCIA6969E
SCIA6977E