Page 177 of 3502
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-169
D
E
F
G
H
I
J
K
L
MA
B
AT
TCWM0521E
Page 178 of 3502
AT-170
TROUBLE DIAGNOSIS FOR SYMPTOMS
TCWM0522E
Page 179 of 3502
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-171
D
E
F
G
H
I
J
K
L
MA
B
AT
TCWM0555E
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AT-172
TROUBLE DIAGNOSIS FOR SYMPTOMS
Data are reference value and are measured between each terminal and ground.
**: These terminals are connected to the data link connector.Terminal Wire color Item ConditionJudgement standard
(Approx.)
5 L CAN-H — —
6 P CAN-L — —
26 V/WPNP switch “1” posi-
tion
and When setting selector
lever to “1” position.Battery voltage
When setting selector
lever to other posi-
tions.0V
27 P/BPNP switch “2” posi-
tionWhen setting selector
lever to “2” position.Battery voltage
When setting selector
lever to other posi-
tions.0V
30** BR/Y CONSULT- II (RX) — —
31** Y/B CONSULT- II (TX) — —
34 BRPNP switch “D” posi-
tion
and When setting selector
lever to “D” and “3”
positions.Battery voltage
When setting selector
lever to other posi-
tions.0V
35 G/WPNP switch “R” posi-
tionWhen setting selector
lever to “R” position.Battery voltage
When setting selector
lever to other posi-
tions.0V
36 R/BPNP switch “N” or “P”
positionWhen setting selector
lever to “N” or “P”
position.Battery voltage
When setting selector
lever to other posi-
tions.0V
Page 181 of 3502

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-173
D
E
F
G
H
I
J
K
L
MA
B
AT
A/T CHECK Indicator Lamp Does Not Come OnBCS00149
SYMPTOM:
A/T CHECK indicator lamp does not come on for about 2 seconds when turning ignition switch ON.
DIAGNOSTIC PROCEDURE
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to AT- 6 9 , "
SELF-DIAGNOSTIC RESULT MODE" .
Is a malfunction in CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to AT- 1 3 3 , "CAN COMMUNICATION LINE" .
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- 1 5 8 , "
Wiring Diagram — AT — MAIN" .
3. Turn ignition switch OFF.
4. Check voltage between TCM connector terminals and ground.
Refer to AT- 1 5 8 , "
Wiring Diagram — AT — MAIN" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING ITEM
Check the following items:
Harness for short or open between ignition switch and TCM connector terminals 10, 19
Refer to AT- 1 5 8 , "
Wiring Diagram — AT — MAIN" .
Harness for short or open between battery and TCM connector terminal 28
Refer to AT- 1 5 8 , "
Wiring Diagram — AT — MAIN" .
15A fuse (No.17, located in the fuse block) and 10A fuse (No.83, located in the IPDM E/R)
Ignition switch. Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
Item Connector Terminal Judgement standard (Approx.)
TCM connectorF10410
Battery voltage 19
F105 28
SCIA2656E
ItemConnec-
torTerminal Judgement standard (Approx.)
TCM connectorF10410 0 V
19 0 V
F105 28 Battery voltage
SCIA2657E
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AT-174
TROUBLE DIAGNOSIS FOR SYMPTOMS
4. CHECK TCM GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between TCM connector terminals and ground.
Refer to AT- 1 5 8 , "
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.
5. DETECT MALFUNCTIONING ITEM
Check the following items:
Harness and fuse for short or open between ignition switch and A/T CHECK indicator lamp
Refer to PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
Harness for short or open between A/T CHECK indicator lamp and TCM
OK or NG
OK >> GO TO 6.
NG >> Repair or replace damaged parts.
6. SYMPTOM CHECK
Check again. Refer to AT- 4 8 , "
Check Before Engine Is Started" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 7.
7. CHECK TCM
1. Check TCM input/output. Refer to AT- 6 4 , "
TCM Terminals 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.
Item Connector Terminal Continuity
TCM connector F10525
Ye s
48
SCIA2671E
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TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-175
D
E
F
G
H
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J
K
L
MA
B
AT
Engine Cannot Be Started in “P” and “N” PositionBCS0014A
SYMPTOM:
Engine cannot be started with selector lever in “P” or “N” position.
Engine can be started with selector lever in “D”, “3”, “2”, “1” or “R” position.
DIAGNOSTIC PROCEDURE
1. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH
Check for short or open of park/neutral position (PNP) switch har-
ness connector terminals. Refer to AT- 1 6 8 , "
Wiring Diagram — AT
— NONDTC" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK CONTROL CABLE ADJUSTMENT
Check PNP switch again with control cable disconnected from manual shaft of A/T assembly. Refer to test
group 1.
OK or NG
OK >> Adjust control cable. Refer to AT- 2 1 5 , "Adjustment of A/T Position" .
NG >> 1. Check PNP switch (Refer to test group 1.) again after adjusting PNP switch (Refer to AT- 2 3 1
Refer to AT- 2 3 0 ).
–If OK, INSPECTION END
–If NG, repair or replace PNP switch. Refer to AT- 2 3 0 , "Park/Neutral Position (PNP) Switch" .
3. CHECK STARTING SYSTEM
Check starting system. Refer to SC-14, "
STARTING SYSTEM" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Lever position Connector Terminal Continuity
“P”, “N”
F24 1 - 2Ye s
Other position No
SCIA5606E
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AT-176
TROUBLE DIAGNOSIS FOR SYMPTOMS
In “P” Position, Vehicle Moves Forward or Backward When PushedBCS0014B
SYMPTOM:
Vehicle moves when it is pushed forward or backward with selector lever in “P” position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T POSITION
Check A/T position. Refer to AT- 2 1 5 , "
Checking of A/T Position" .
OK or NG
OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT- 2 1 5 , "
Adjustment of A/T Position" .
2. CHECK PARKING COMPONENTS
Check parking components. Refer to AT- 2 4 6 , "
Components" and
AT- 2 5 5 , "
DISASSEMBLY" .
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
In “N” Position, Vehicle MovesBCS0014C
SYMPTOM:
Vehicle moves forward or backward when selecting “N” position.
DIAGNOSTIC PROCEDURE
1. CHECK A/T POSITION
Check A/T position. Refer to AT- 2 1 5 , "
Checking of A/T Position" .
OK or NG
OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT- 2 1 5 , "
Adjustment of A/T Position" .
2. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 4 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 2 4 6 , "
Components" .
2. Check A/T fluid condition. Refer to AT- 4 3 , "
A/T Fluid Condition Check" .
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
SAT282F