Inspection Procedure

CHECK HARNESS AND CONNECTOR (BATTERY - TRANSMISSION CONTROL SWITCH)

Disconnect the transmission control switch connector of shift lock control unit assembly.

Measure the voltage according to the value(s) in the table below.

Standard voltage

HARNESS AND CONNECTOR (BATTERY - TRANSMISSION CONTROL SWITCH) STANDARD VOLTAGE SPECIFICATIONS

Switch Condition	Tester Connection	Specified Condition
Engine switch on (IG)	3 - Body ground	10 to 14 V
Engine switch off	↑	Below 1 V

Fig 1: Identifying Transmission Control Switch - Body Ground

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - BODY GROUND)

Measure the resistance according to the value(s) in the table below.

Standard resistance

HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - BODY GROUND) STANDARD RESISTANCE SPECIFICATIONS

Tester Connection	Specified Condition
5 - Body ground	Below 1 Ω

Fig 2: Identifying Transmission Control Switch - Body Ground

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

INSPECT TRANSMISSION CONTROL SWITCH

Measure resistance between each terminal of shift lock control unit assembly when the shift lever is moved to each position.

Standard resistance

TRANSMISSION CONTROL SWITCH STANDARD RESISTANCE SPECIFICATIONS

Shift Position	Tester Connection	Specified Condition
S, "+" and "-"	3 - 7	Below 1 Ω
Except S, "+" and "-"	↑	10 kΩ. or higher
Press continuously "+" (Up shift)	2 - 5	Below 1 Ω
S	↑	10 kΩ or higher
Press continuously (Down shift)	1 - 5	Below 1 Ω
S	↑	10 kΩ or higher

Fig 3: Identifying Terminals Of Transmission Control Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE TRANSMISSION CONTROL SWITCH

OK: Go to next step

CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM)

Connect the transmission control switch connector of shift lock control unit assembly.
Disconnect the ECM connector.

Turn the engine switch on (IG) position, and measure the voltage according to the value(s) in the table below when the shift lever is moved to each position.

Standard voltage

HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM) STANDARD VOLTAGE SPECIFICATIONS

Shift Position	Tester Connection	Specified Condition
S, "+" and "-"	A6-9 (S) - Body ground	10 to 14 V
Except S, "+" and "-"	↑	Below 1 V

Fig 4: Identifying ECM A6 Connector

Turn the engine switch off position.
Disconnect the ECM connector.

Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.

Standard resistance

HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM) STANDARD RESISTANCE SPECIFICATIONS

Shift Position	Tester Connection	Specified Condition
Press continuously "+" (Up shift)	A6-30 (SFTU) - Body ground	Below 1 Ω
S	↑	10 kΩ or higher
Press continuously "-" (Down shift)	A6-19 (SFTD) - Body ground	Below 1 Ω
S	↑	10 kΩ or higher

Fig 5: Identifying ECM A6 Connector

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE