Compare the transmission range switch signal inputs with the HDS to the following table, in each shift lever position/mode.
Signal
Threshold
Current conditions
P
R
N
D
S
L
Values
Unit
A/T P Switch
ON
OFF
OFF
OFF
OFF
OFF
A/T R Switch
OFF
ON
OFF
OFF
OFF
OFF
A/T N Switch
OFF
OFF
ON
OFF
OFF
OFF
A/T D Switch
OFF
OFF
OFF
ON
OFF
OFF
A/T S Switch
OFF
OFF
OFF
OFF
ON
OFF
A/T L Switch
OFF
OFF
OFF
OFF
OFF
ON
ATP-FWD
OFF
OFF
OFF
ON
ON
ON
ATP-RVS
OFF
ON
OFF
OFF
OFF
OFF
Are the transmission range switch signals OK?
YES
Intermittent failure, the system is OK at this time. Check for poor connections and loose terminals between the transmission range switch and the TCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.?
NO
The failure is duplicated. Go to step 2.
2.
Transmission range switch signal check:
Transmission range switch signal check
?1.
Compare the transmission range switch signal inputs with the HDS to the following table, in each shift lever position/mode.
Signal
Threshold
Current conditions
P
R
N
D
S
L
Values
Unit
A/T P Switch
ON
OFF
OFF
OFF
OFF
OFF
A/T R Switch
OFF
ON
OFF
OFF
OFF
OFF
A/T N Switch
OFF
OFF
ON
OFF
OFF
OFF
A/T D Switch
OFF
OFF
OFF
ON
OFF
OFF
A/T S Switch
OFF
OFF
OFF
OFF
ON
OFF
A/T L Switch
OFF
OFF
OFF
OFF
OFF
ON
ATP-FWD
OFF
OFF
OFF
ON
ON
ON
ATP-RVS
OFF
ON
OFF
OFF
OFF
OFF
Do all transmission range switch signals remain OFF?
YES
Go to step 5.
NO
Records the abnormal circuit, then go to step 3.
3.
Transmission range switch check:
Transmission range switch check
?1.
Turn the vehicle to the OFF (LOCK) mode.
?2.
Disconnect the following connector.
Transmission range switch 10P connector
?3.
Connect the transmission range switch connector terminal that did not indicate ON in step 2 to ground with a jumper wire; refer to the following table.
Signal
Transmission range switch 10P connector (female terminals) :
Terminal number
A/T P Switch
5
A/T R Switch
4
A/T N Switch
9
A/T D Switch
3
A/T S Switch
8
A/T L Switch
2
Forward Switch
6
Reverse Switch(ATPRVS)
10
?4.
Turn the vehicle to the ON mode.
?5.
Check the transmission range switch signal that did not indicate ON with the HDS.
Does the transmission range switch signal indicate ON?
The transmission range switch is OK. Go to step 4.
4.
Open wire check (corresponding line):
Open wire check (corresponding line)
?1.
Turn the vehicle to the OFF (LOCK) mode.
?2.
Jump the SCS line with the HDS, and wait more than 1 minute.
NOTE: This step must be done to protect the TCM from damage.
?3.
Disconnect the following connector.
TCM 50P connector
?4.
Check for continuity between the transmission range switch connector terminal and the TCM terminal of the input which indicated OFF. Refer to the following table.
ATPP
ATPR
ATPN
ATPD
ATPS
ATPL
ATP-FWD
ATP-RVS
TCM
48
47
46
37
36
35
44
43
Transmission range switch
5
4
9
3
8
2
6
10
Is there continuity?
YES
The wires are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or replace the original TCM.?
NO
Repair an open in the wire between the corresponding transmission range switch connector terminal and the TCM.?
5.
Open wire check (PG1 line):
Open wire check (PG1 line)
?1.
Turn the vehicle to the OFF (LOCK) mode.
?2.
Disconnect the following connector.
Transmission range switch 10P connector
?3.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
Transmission range switch 10P connector: disconnected
Test point 1
Transmission range switch 10P connector (female terminals) No. 1 :