7
CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
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.
SAT291HA
SAT618K
SAT516KB
TCM Self-diagnosis Does Not Activate
NHAT0108
SYMPTOM:
A/T CHECK indicator lamp does not come on in TCM self-di-
agnostic procedure even if the lamp circuit is good.
DESCRIPTION
NHAT0108S01
I
Park/neutral position (PNP) switch
The park/neutral (PNP) switch includes a transmission range
switch. The transmission range switch detects the selector
lever position and sends a signal to the TCM.
I
3rd position switch
Detects the 3rd position and sends a signal to the TCM.
I
Closed throttle position signal and wide-open throttle position
signal
ECM judges throttle opening based on a signal from accelera-
tor pedal position sensor, and sends the signal via CAN com-
munication to TCM.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
Vehicle Does Not Decelerate By Engine Brake (Cont’d)
AT-265