CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM Transmission Control Switch Circuit
| DTC Code | DTC Name |
|---|---|
| Transmission Control Switch Circuit |
DESCRIPTION
After moving the shift lever to M, it is possible to switch the shift range between "1" (M1 gear) and "7" (M7 gear) using the transmission control switch.
Moving the shift lever to "+" once raises the shift range by one, and moving the shift lever to "-" lowers the shift range by one.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Perform initialization when parts related to the continuously variable transaxle are replaced.
Check that no DTCs are stored after performing initialization.
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
CHECK HARNESS AND CONNECTOR (BATTERY - TRANSMISSION CONTROL SWITCH)
-
*a
Front view of wire harness connector
(to Transmission Control Switch)
Disconnect the transmission control switch connector.
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Switch Condition
Specified Condition
G36-4 (IG) - Body ground
Ignition switch ON
11 to 14 V
G36-4 (IG) - Body ground
Ignition switch off
Below 1 V
Result
Proceed to
OK
NG
NG CHECK POWER SOURCE CIRCUIT
-
CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - BODY GROUND)
-
*a
Front view of wire harness connector
(to Transmission Control Switch)
Disconnect the transmission control switch connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
G36-2 (E) - Body ground
Always
Below 1 Ω
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
-
INSPECT TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY)
Disconnect the transmission control switch connector.
-
*A
for LHD
*a
Component without harness connected
(Transmission Control Switch)
for LHD:
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
4 (IG) - 5 (S)
Shift lever in M, "+" or "-"
Below 1 Ω
3 (SFTU) - 2 (E)
Shift lever held in "+" (Up-shift)
Below 1 Ω
1 (SFTD) - 2 (E)
Shift lever held in "-" (Down-shift)
Below 1 Ω
4 (IG) - 5 (S)
Shift lever not in M, "+" or "-"
10 kΩ or higher
3 (SFTU) - 2 (E)
Shift lever in M
10 kΩ or higher
1 (SFTD) - 2 (E)
Shift lever in M
10 kΩ or higher
-
*A
for RHD
*a
Component without harness connected
(Transmission Control Switch)
for RHD:
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
4 (IG) - 5 (S)
Shift lever in M, "+" or "-"
Below 1 Ω
1 (SFTU) - 2 (E)
Shift lever held in "+" (Up-shift)
Below 1 Ω
3 (SFTD) - 2 (E)
Shift lever held in "-" (Down-shift)
Below 1 Ω
4 (IG) - 5 (S)
Shift lever not in M, "+" or "-"
10 kΩ or higher
1 (SFTU) - 2 (E)
Shift lever in M
10 kΩ or higher
3 (SFTD) - 2 (E)
Shift lever in M
10 kΩ or higher
Result
Proceed to
OK
NG
CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM)
-
*a
Front view of wire harness connector
(to ECM)
Disconnect the ECM connector.
Turn the ignition switch to ON.
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Condition
Specified Condition
A62-41 (S) - Body ground
Ignition switch ON
Shift lever in M, "+" or "-"
11 to 14 V
A62-41 (S) - Body ground
Ignition switch ON
Shift lever not in M, "+" or "-"
Below 1 V
Turn the ignition switch off.
Disconnect the spiral cable sub-assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
A62-42 (SFTU) - Body ground
Shift lever held in "+" (Up-shift)
Below 1 Ω
A62-43 (SFTD) - Body ground
Shift lever held in "-" (Down-shift)
Below 1 Ω
A62-42 (SFTU) - Body ground
Shift lever in M
10 kΩ or higher
A62-43 (SFTD) - Body ground
Shift lever in M
10 kΩ or higher
Result
Proceed to
OK
NG
NG REPAIR OR REPLACE HARNESS OR CONNECTOR
-
REPLACE ECM
Replace the ECM.
Result
Proceed to
NEXT