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DIAGNOSTIC PROCEDURENJAT0351S02
1 CHECK PNP SWITCH CIRCUIT (With CONSULT-II)
With CONSULT-II
1. Turn ignition switch to ªONº position.
(Do not start engine.)
2. Select ªECU INPUT SIGNALSº in ªDATA MONITORº mode for ªA/Tº with CONSULT-II.
3. Read out ªP/Nº, ªRº, ªDº, ª2º and ª1º position switches moving selector lever to each position.
Check that the signal of the selector lever position is indicated properly.
SAT701J
OK or NG
OK©GO TO 3.
NG©Check the following items:
+PNP switch (Refer to ªComponent Inspectionº, AT-341.)
+Harness for short or open between ignition switch and PNP switch (Main harness)
+Harness for short or open between PNP switch and TCM (Main harness)
+Diode (P, N positions)
TROUBLE DIAGNOSES FOR SYMPTOMS
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) (Cont'd)
AT-335
Page 338 of 2898
2 CHECK PNP SWITCH CIRCUIT (Without CONSULT-II)
Without CONSULT-II
1. Turn ignition switch to ªONº position. (Do not start engine.)
2. Check voltage between TCM terminals 26, 27, 34, 35, 36 and ground while moving selector lever through each posi-
tion.
Voltage:
B: Battery voltage
0: 0V
MTBL0138
SAT470J
OK or NG
OK©GO TO 4.
NG©Check the following items:
+PNP switch (Refer to ªComponent Inspectionº, AT-341.)
+Harness for short or open between ignition switch and PNP switch (Main harness)
+Harness for short or open between PNP switch and TCM (Main harness)
+Diode (P, N positions)
TROUBLE DIAGNOSES FOR SYMPTOMS
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) (Cont'd)
AT-336
Page 339 of 2898
3 CHECK OVERDRIVE CONTROL SWITCH CIRCUIT (With CONSULT-II)
With CONSULT-II
1. Turn ignition switch to ªONº position.
(Do not start engine.)
2. Select ªECU INPUT SIGNALSº in ªDATA MONITORº mode for ªA/Tº with CONSULT-II.
3. Read out ªOVERDRIVE SWITCHº.
Check the signal of the overdrive control switch is indicated properly.
(Overdrive control switch ªONº displayed on CONSULT-II means overdrive ªOFFº.)
SAT645J
OK or NG
OK©GO TO 5.
NG©Check the following items:
+Overdrive control switch (Refer to ªComponent Inspectionº, AT-341.)
+Harness for short or open between TCM and overdrive control switch (Main harness)
+Harness of ground circuit for overdrive control switch (Main harness) for short or open
TROUBLE DIAGNOSES FOR SYMPTOMS
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) (Cont'd)
AT-337
Page 340 of 2898
4 CHECK OVERDRIVE CONTROL SWITCH CIRCUIT (Without CONSULT-II)
Without CONSULT-II
1. Turn ignition switch to ªONº position.
(Do not start engine.)
2. Check voltage between TCM terminal 22 and ground when overdrive control switch is ªONº and ªOFFº.
Voltage:
Switch position ªONº:
Battery voltage
Switch position ªOFFº:
1V or less
SAT048K
OK or NG
OK©GO TO 6.
NG©Check the following items:
+Overdrive control switch (Refer to ªComponent Inspectionº, AT-341.)
+Harness for short or open between TCM and overdrive control switch (Main harness)
+Harness of ground circuit for overdrive control switch (Main harness) for short or open
TROUBLE DIAGNOSES FOR SYMPTOMS
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) (Cont'd)
AT-338
Page 341 of 2898

5 CHECK THROTTLE POSITION SWITCH CIRCUIT (With CONSULT-II)
With CONSULT-II
1. Apply vacuum to the throttle opener, then check the following. Refer to steps from 1 to 5 of ªPreparationº, ªSELF-DIAG-
NOSTIC PROCEDURE (Without CONSULT-II)º, AT-44. Ð General and except for Euro-OBD/Refer to steps from 1 to 5
of ªPreparationº, ªTCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)º, AT-63 Ð Euro-OBD
2. Turn ignition switch to ªONº position.
(Do not start engine.)
3. Select ªECU INPUT SIGNALSº in ªDATA MONITORº mode for ªA/Tº with CONSULT-II.
4. Read out ªCLOSED THL/SWº and ªW/O THRL/P-SWº depressing and releasing accelerator pedal.
Check the signal of throttle position switch is indicated properly.
MTBL0011
SAT702J
OK or NG
OK©GO TO 7.
NG©Check the following items:
+Throttle position switch Ð Refer to ªComponent Inspectionº, AT-341.
+Harness for short or open between ignition switch and throttle position switch (Main
harness)
+Harness for short or open between throttle position switch and TCM (Main harness)
TROUBLE DIAGNOSES FOR SYMPTOMS
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) (Cont'd)
AT-339
Page 342 of 2898

6 CHECK THROTTLE POSITION SWITCH CIRCUIT (Without CONSULT-II)
Without CONSULT-II
1. Apply vacuum to the throttle opener, then check the following. Refer to steps from 1 to 5 of ªPreparationº, ªSELF-DIAG-
NOSTIC PROCEDURE (Without CONSULT-II)º, AT-44. Ð General and except for Euro-OBD/Refer to steps from 1 to 5
of ªPreparationº, ªTCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)º, AT-63 Ð Euro-OBD
2. Turn ignition switch to ªONº position.
(Do not start engine.)
3. Check voltage between TCM terminals 16, 17 and ground while depressing, and releasing accelerator pedal slowly.
(After warming up engine)
MTBL0137
SAT454JA
OK or NG
OK©GO TO 7.
NG©Check the following items:
+Throttle position switch Ð Refer to ªComponent Inspectionº, AT-341.
+Harness for short or open between ignition switch and throttle position switch (Main
harness)
+Harness for short or open between throttle position switch and TCM (Main harness)
7 CHECK DTC
Perform ªDIAGNOSTIC PROCEDUREº, AT-335
OK or NG
OK©INSPECTION END
NG©+Perform TCM input/output signal inspection.
+If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
TROUBLE DIAGNOSES FOR SYMPTOMS
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) (Cont'd)
AT-340
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SAT005K
COMPONENT INSPECTIONNJAT0351S03Overdrive Control SwitchNJAT0351S0301+Check continuity between two terminals 7 and 8.
Switch position Continuity
ON No
OFF Yes
SAT402JA
PNP SwitchNJAT0351S03021. Check continuity between terminals 1 and 3 and between ter-
minals 2 and 4, 5, 6, 7, 8, 9 while moving manual shaft through
each position.
Lever position Terminal No.
P 3Ð7 1Ð2
R 3Ð8
N 3Ð9 1Ð2
D 3Ð6
2 3Ð5
1 3Ð4
SAT089JA
2. If NG, check again with manual control cable disconnected
from manual shaft of A/T assembly. Refer to step 1.
3. If OK on step 2, adjust manual control cable. Refer to AT-352.
4. If NG on step 2, remove PNP switch from A/T and check con-
tinuity of PNP switch terminals. Refer to step 1.
5. If OK on step 4, adjust PNP switch. Refer to AT-352.
6. If NG on step 4, replace PNP switch.
SAT851JA
Throttle Position SwitchNJAT0351S0303Closed throttle position switch (idle position)
+Check continuity between terminals 4 and 5.
Refer to ªPreparationº, ªSELF-DIAGNOSTIC PROCEDURE
(Without CONSULT-II)º, AT-44. Ð General and except for
Euro-OBD/Refer to ªPreparationº, ªTCM SELF-DIAGNOSTIC
PROCEDURE (NO TOOLS)º, AT-63. Ð Euro-OBD
Accelerator pedal condition Continuity
Released Yes
TROUBLE DIAGNOSES FOR SYMPTOMS
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) (Cont'd)
AT-341
Page 344 of 2898
Accelerator pedal condition Continuity
Depressed No
+To adjust closed throttle position switch, refer to EC-100,
ªBasic Inspectionº.
SAT852JA
Wide open throttle position switch
+Check continuity between terminals 5 and 6.
Accelerator pedal condition Continuity
Released No
Depressed Yes
TROUBLE DIAGNOSES FOR SYMPTOMS
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) (Cont'd)
AT-342