Other information:
System Description
SYSTEM DIAGRAMMAIN CONTROL CONTENTS OF TCM Controls
Reference
Line pressure control
System Description
Shift control
System Description
Select control
System Description
Lock-up control
System Description
Fail-safe
Fail-safe
Self-diagnosis function
CONSULT Function
Communication function with CONSULT
CONSULT Function
LIST OF CONTROL ITEMS AND INPUT/OUTPUT Control Item Shift control Line pressure control Select control Lock-up control Fail-safe function*
Input
Engine torque signal
(CAN communication)
×
×
×
×
×
Engine speed signal
(CAN communication)
×
×
×
×
×
Accelerator pedal position signal
(CAN communication)
×
×
×
×
Closed throttle position signal
(CAN communication)
×
×
×
Stop lamp switch signal
(CAN communication)
×
×
×
×
Primary pressure sensor
×
Secondary pressure sensor
×
×
×
CVT fluid temperature sensor
×
×
×
×
×
Primary speed sensor
×
×
×
×
×
Output speed sensor
×
×
×
×
Input speed sensor
×
×
×
×
×
Transmission range switch
×
×
×
×
×
Manual mode switch
(CAN communication)
×
×
×
Output
Line pressure solenoid valve
×
×
×
×
Primary pressure solenoid valve
×
×
×
Torque converter clutch solenoid valve
×
×
Secondary pressure solenoid valve
×
×
×
Select solenoid valve
×
×
×
Shift position indicator
(CAN communication)
×
*: If these input/output signals show errors, TCM activates the fail-safe function...
Diagnosis Procedure
CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
Ignition switch OFF.
Disconnect BCM connector and combination switch connector.
Check continuity between BCM harness connector and combination switch harness connector.
Combination switch signal
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
INPUT 1
M19
79
M28
11
Yes
INPUT 2
78
9
INPUT 3
77
7
INPUT 4
76
10
INPUT 5
75
13
Is the inspection result normal?
YES>>
GO TO 2...