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TCM TERMINALS AND REFERENCE VALUES Refer to AT-77, " TCM Terminal and Reference Value " .
OD OFF Indicator Lamp Does Not Come On INFOID:0000000004305472
SYMPTOM:
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AT-182< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
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-79, " CONSULT-III Function (TRANSMISSION) " .
Is a malfunction in CAN communication indicated in the results? YES >> Check CAN communication line. Refer to
AT-88 .
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-169, " 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-169," Wiring Diagram - AT - MAIN " .
• Harness for short or open between battery and TCM connector terminal 28. Refer to AT-169, " 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-169," 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 connector E3110 -
Ground
Battery voltage
19 -
Ground
E32 28 -
Ground SCIA2656E
Item Connector Terminal Judgement standard (Approx.)
TCM connector E3110 -
Ground 0V
19 -
Ground 0V
E32 28 -
Ground Battery voltage SCIA2657E
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3. Check continuity between TCM connector terminals and ground.
Refer to AT-169, " Wiring Diagram - AT - MAIN " .
OK or NG OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors. .
OK or NG OK >> GO TO 6.
NG >> Repair or replace damaged parts. Check Before Engine Is Started " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 7. TCM Terminal and Reference Value " .
2. If NG, recheck TCM pin terminals for dam age or loose connection with harness connector.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
Engine Cannot Be Starte d in "P" and "N" Position INFOID:0000000004305473
SYMPTOM: • Engine cannot be started with select or lever in “P” or “N” position.
• Engine can be started with selector l ever in “D”, “2”, “1” or “R” position.
DIAGNOSTIC PROCEDURE Wiring Diagram - AT - PNP/SW " .
OK or NG OK >> GO TO 3.
NG >> GO TO 2. OK >> Adjust A/T position. Refer to
AT-216, " Adjustment of A/T Position " .
Item Connector Terminal Continuity
TCM connector E32 25, 48 - Ground Yes
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).
- If OK, INSPECTION END
- If NG, repair or replace PNP switch. Refer to AT-224, " Park/Neutral Position (PNP) Switch " .
.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
In "P" Position, Vehicle Moves Forward or Backward When Pushed INFOID:0000000004305474
SYMPTOM:
Vehicle moves when it is pushed forward or backward with selector lever in “P” position.
DIAGNOSTIC PROCEDURE Checking of A/T Position " .
OK or NG OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT-216, " Adjustment of A/T Position " .
Component " and
AT- 256 .
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
In "N" Position, Vehicle Moves INFOID:0000000004305475
SYMPTOM:
Vehicle moves forward or backwar d when selecting “N” position.
DIAGNOSTIC PROCEDURE Checking of A/T Position " .
OK or NG OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT-216, " Adjustment of A/T Position " .
Checking A/T Fluid " .
OK or NG OK >> GO TO 3.
NG >> Refill ATF. Component " .
2. Check A/T fluid condition. Refer to AT-51, " Inspections Before Trouble Diagnosis " .
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OK or NG OK >> GO TO 5.
NG >> GO TO 4. Disassembly " .
2. Check the following items:
- Forward clutch assembly. Refer to AT-306, " Forward and Overrun Clutches " .
- Overrun clutch assembly. Refer to AT-306, " Forward and Overrun Clutches " .
- Reverse clutch assembly. Refer to AT-296, " Reverse Clutch " .
OK or NG OK >> GO TO 5.
NG >> Repair or replace damaged parts. Check at Idle " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 6. TCM Terminal and Reference Value " .
2. If NG, recheck TCM pin terminals for dam age or loose connection with harness connector.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
Large Shock "N" → "R" Position INFOID:0000000004305476
SYMPTOM: There is a large shock when changing from “N” to “R” position.
DIAGNOSTIC PROCEDURE CONSULT-III Functi
on (TRANSMISSION) " or
AT-83, " Diagnosis Pro-
cedure without CONSULT-III " .
Is any malfunction detected by self-diagnostic results? YES >> Check the malfuncti
oning system. Refer to AT-79, " CONSULT-III Functi
on (TRANSMISSION) " or
AT-83, " Diagnosis Procedure without CONSULT-III " .
NO >> GO TO 2. Inspections Before Trouble
Diagnosis " .
OK or NG OK >> GO TO 4.
NG >> GO TO 3. Control Valve Assembly and Accumulators " .
2. Check the following items:
- Valves to control line pressure (Pressure regulator valv e, pressure modifier valve, pilot valve and pilot fil-
ter)
- Line pressure solenoid valve
- Oil pump assembly. Refer to AT-277, " Oil Pump " .
OK or NG OK >> GO TO 4.
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Check at Idle " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 5. 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.
Vehicle Does Not Creep Ba ckward in "R" Position INFOID:0000000004305477
SYMPTOM:
Vehicle does not creep backward when selecting “R” position.
DIAGNOSTIC PROCEDURE Checking A/T Fluid " .
OK or NG OK >> GO TO 2.
NG >> Refill ATF. Inspections Before Trouble
Diagnosis " .
OK or NG OK >> GO TO 4.
NG >> GO TO 3. 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. Refer to AT-256, " Disassembly " .
4. Check the following item:
- Oil pump assembly. Refer to AT-277, " Oil Pump " .
OK or NG OK >> GO TO 4.
NG >> Repair or replace damaged parts. Inspections Before Trouble
Diagnosis " .
OK or NG OK >> GO TO 6.
OK in “1” position, NG in “R” position>>GO TO 5.
NG in both “1” and “R” positions>>GO TO 7. Disassembly " .
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2. Check the following items:
- Low & reverse brake assembly. Refer to AT-313, " Low & Reverse Brake " .
- Reverse clutch assembly. Refer to AT-296, " Reverse Clutch " .
OK or NG OK >> GO TO 6.
NG >> Repair or replace damaged parts. Component " .
2. Check A/T fluid condition. Refer to AT-51, " Inspections Before Trouble Diagnosis " .
OK or NG OK >> GO TO 8.
NG >> GO TO 7. Disassembly " .
2. Check the following items:
- Reverse clutch assembly. Refer to AT-296, " Reverse Clutch " .
- High clutch assembly. Refer to AT-301, " High Clutch " .
- Low & reverse brake assembly. Refer to AT-313, " Low & Reverse Brake " .
- Forward clutch assembly. Refer to AT-306, " Forward and Overrun Clutches " .
- Overrun clutch assembly. Refer to AT-306, " Forward and Overrun Clutches " .
OK or NG OK >> GO TO 8.
NG >> Repair or replace damaged parts. Check at Idle " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 9. TCM Terminal and Reference Value " .
2. If NG, recheck TCM pin terminals for dam age or loose connection with harness connector.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
Vehicle Does Not Creep Forward in "D", "2" or "1" Position INFOID:0000000004305478
SYMPTOM: Vehicle does not creep forward when selecting “D”, “2” or “1” position.
DIAGNOSTIC PROCEDURE Checking A/T Fluid " .
OK or NG OK >> GO TO 2.
NG >> Refill ATF. Inspections Before Trouble
Diagnosis " .
OK or NG OK >> GO TO 4.
NG >> GO TO 3.