Page 209 of 3171

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-201
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2.CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
Check overdrive control switch circuit. Refer toAT- 1 7 2 , "
OVERDRIVE CONTROL SWITCH".
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
3.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer toAT-12, "
Checking A/T Fluid".
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4.CHECK CONTROL CABLE
Check control cable. Refer toAT- 2 11 , "
Checking of A/T Position".
OK or NG
OK >> GO TO 5.
NG >> Adjust control cable. Refer toAT- 2 11 , "
Adjustment of A/T Position".
5.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer toAT- 2 1 8 , "
Control Valve With TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer toAT-43, "
A/T Fluid Condition Check".
OK or NG
OK >> GO TO 6.
NG >> GO TO 9.
6.DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer toAT-53, "
Symp-
tom Chart"(Symptom No.14).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7.CHECK SYMPTOM
Check again. Refer toAT-51, "
Cruise Test - Part 3".
OK or NG
OK >>INSPECTION END
NG >> GO TO 8.
8.CHECK TCM
1. Check TCM input/output signals. Refer toAT-76, "
TCM Input/Output Signal Reference Values".
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Page 210 of 3171

AT-202
TROUBLE DIAGNOSIS FOR SYMPTOMS
9.DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer toAT-53, "
Symp-
tom Chart"(Symptom No.14).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
A/T Does Not Shift: 4th Gear®3rd GearECS00G2S
SYMPTOM:
When shifted from D4to 33position, does not downshift from 4th to 3rd gear.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Perform self-diagnosis. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE",AT-89, "Diagnostic Procedure
Without CONSULT-II"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer toAT-80, "SELF-DIAGNOSTIC RESULT MODE",AT- 9 0 ,
"Judgement Self-diagnosis Code".
NO >> GO TO 2.
2.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer toAT-12, "
Checking A/T Fluid".
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3.CHECK CONTROL CABLE
Check control cable. Refer toAT- 2 11 , "
Checking of A/T Position".
OK or NG
OK >> GO TO 4.
NG >> Adjust control cable. Refer toAT- 2 11 , "
Adjustment of A/T Position".
4.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer toAT- 2 1 8 , "
Control Valve With TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer toAT-43, "
A/T Fluid Condition Check".
OK or NG
OK >> GO TO 5.
NG >> GO TO 8.
5.DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer toAT-53, "
Symp-
tom Chart"(Symptom No.15).
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6.CHECK SYMPTOM
Check again. Refer toAT-51, "
Cruise Test - Part 3".
OK or NG
OK >>INSPECTION END
NG >> GO TO 7.
Page 211 of 3171

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-203
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7.CHECK TCM
1. Check TCM input/output signals. Refer toAT-76, "
TCM Input/Output Signal Reference Values".
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
8.DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer toAT-53, "
Symp-
tom Chart"(Symptom No.15).
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
A/T Does Not Shift: 3rd Gear®2nd GearECS00G2T
SYMPTOM:
When shifted from 33to 22position, does not downshift from 3rd to 2nd gear.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Perform self-diagnosis. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE",AT-89, "Diagnostic Procedure
Without CONSULT-II".
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer toAT-80, "SELF-DIAGNOSTIC RESULT MODE",AT- 9 0 ,
"Judgement Self-diagnosis Code".
NO >> GO TO 2.
2.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer toAT-12, "
Checking A/T Fluid".
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3.CHECK CONTROL CABLE
Check control cable. Refer toAT- 2 11 , "
Checking of A/T Position".
OK or NG
OK >> GO TO 4.
NG >> Adjust control cable. Refer toAT- 2 11 , "
Adjustment of A/T Position".
4.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer toAT- 2 1 8 , "
Control Valve With TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer toAT-43, "
A/T Fluid Condition Check".
OK or NG
OK >> GO TO 5.
NG >> GO TO 8.
Page 213 of 3171

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-205
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3.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer toAT-12, "
Checking A/T Fluid".
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4.CHECK CONTROL CABLE
Check control cable. Refer toAT- 2 11 , "
Checking of A/T Position".
OK or NG
OK >> GO TO 5.
NG >> Adjust control cable. Refer toAT- 2 11 , "
Adjustment of A/T Position".
5.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer toAT- 2 1 8 , "
Control Valve With TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer toAT-43, "
A/T Fluid Condition Check".
OK or NG
OK >> GO TO 6.
NG >> GO TO 9.
6.DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer toAT-53, "
Symp-
tom Chart"(Symptom No.17).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7.CHECK SYMPTOM
Check again. Refer toAT-51, "
Cruise Test - Part 3".
OK or NG
OK >>INSPECTION END
NG >> GO TO 8.
8.CHECK TCM
1. Check TCM input/output signals. Refer toAT-76, "
TCM Input/Output Signal Reference Values".
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
9.DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer toAT-53, "
Symp-
tom Chart"(Symptom No.17).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
Page 214 of 3171

AT-206
TROUBLE DIAGNOSIS FOR SYMPTOMS
Vehicle Does Not Decelerate by Engine Brake
ECS00G82
SYMPTOM:
No engine brake is applied when the gear is shifted from the 22to 11gear.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer toAT-80, "
SELF-DIAGNOSTIC RESULT MODE",AT-89, "Diagnostic Procedure
Without CONSULT-II"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer toAT-80, "SELF-DIAGNOSTIC RESULT MODE",AT- 9 0 ,
"Judgement Self-diagnosis Code".
NO >> GO TO 2.
2.CHECK 1ST POSITION SWITCH CIRCUIT
Check 1st position switch circuit. Refer toAT- 1 7 0 , "
1ST POSITION SWITCH".
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
3.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer toAT-12, "
Checking A/T Fluid".
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4.CHECK CONTROL CABLE
Check control cable. Refer toAT- 2 11 , "
Checking of A/T Position".
OK or NG
OK >> GO TO 5.
NG >> Adjust control cable. Refer toAT- 2 11 , "
Adjustment of A/T Position".
5.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer toAT- 2 1 8 , "
Control Valve With TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer toAT-43, "
A/T Fluid Condition Check".
OK or NG
OK >> GO TO 6.
NG >> GO TO 9.
6.DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer toAT-53, "
Symp-
tom Chart"(Symptom No.53).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7.CHECK SYMPTOM
Check again. Refer toAT-51, "
Cruise Test - Part 3".
OK or NG
OK >>INSPECTION END
NG >> GO TO 8.
Page 227 of 3171

ON-VEHICLE SERVICE
AT-219
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CONTROL VALVE WITH TCM REMOVAL AND INSTALLATION
Removal
1. Disconnect the battery cable from the negative terminal.
2. Remove under cover.
3. Drain ATF through drain hole.
4. Remove control cable from A/T assembly. Refer toAT- 2 1 0 , "
COMPONENTS".
5. Disconnect A/T assembly harness connector.
6. Remove snap ring from A/T assembly harness connector.
7. Push A/T assembly harness connector.
CAUTION:
Be careful not to damage connector.
8. Remove oil pan and oil pan gasket.
9. Check foreign materials in oil pan to help determine cause of
malfunction. If the ATF is very dark, smell burned or contains
foreign particles, friction material (clutches, band) may need
replacement. A tacky film that will not wipe clean indicates var-
nish build up. Varnish can cause valves, servo, and clutches to
stick and can inhibit pump pressure.
lIf friction material is detected, replace radiator after repair
of A/T. Refer toCO-11, "
RADIATOR".
SCIA5021E
SCIA5022E
SCIA2308E
SCIA5199E
Page 235 of 3171
ON-VEHICLE SERVICE
AT-227
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A/T FLUID TEMPERATURE SENSOR 2 REMOVAL AND INSTALLATION
Removal
1. Disconnect the battery cable from the negative terminal.
2. Remove under cover.
3. Drain ATF through drain hole.
4. Remove oil pan and oil pan gasket.
5. Check foreign materials in oil pan to help determine cause of
malfunction. If the ATF is very dark, smell burned or contains
foreign particles, friction material (clutches, band) may need
replacement. A tacky film that will not wipe clean indicates var-
nish build up. Varnish can cause valves, servo, and clutches to
stick and can inhibit pump pressure.
lIf friction material is detected, replace radiator after repair
of A/T. Refer toCO-11, "
RADIATOR".
6. Disconnect A/T fluid temperature sensor 2 connector.
CAUTION:
Be careful not to damage connector.
7. Straighten terminal clip to free A/T fluid temperature sensor 2
harness.
SCIA2308E
SCIA5199E
SCIA5023E
SCIA5146E
Page 242 of 3171
AT-234
ON-VEHICLE SERVICE
Installation
CAUTION:
After completing installation, check A/T fluid leakage, A/T fluid level and A/T position. Refer toAT- 1 2 ,
"Checking A/T Fluid",AT- 2 11 , "Checking of A/T Position".
1. As shown in the figure, use a drift to drive rear oil seal into the
rear extension until it is flush.
CAUTION:
lApply ATF to rear oil seal.
lDo not reuse rear oil seal.
2. Install return spring (1) to parking pawl (2).
3. Install parking pawl (with return spring) and pawl shaft to rear
extension.
4. Install parking actuator support to rear extension.
SCIA6694E
SCIA6180J
SCIA3424E
SCIA3423E