Clutch Switch Circuit: Procedure

1. Disconnect the ECM connector.
   Fig 1: Inspecting A37 & B29 ECM Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the ignition switch to ON.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage (2ZR-FE)

   Tester Connection	Condition	Specified Condition
   A37-47 (D) - Body ground	Clutch pedal depressed	Below 1 V
   	Clutch pedal released	11 to 14 V

   Standard Voltage (2AZ-FE)

   Tester Connection	Condition	Specified Condition
   B29-56 (D) - Body ground	Clutch pedal depressed	Below 1 V
   	Clutch pedal released	11 to 14 V

4. Turn the ignition switch off.
5. Reconnect the ECM connector.

NG → See step   2 

OK → See step   4 

1. Remove the clutch switch. Refer to REMOVAL .
   Fig 2: Inspecting Clutch Switch Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   1 - 2	Switch pin free	10 kΩ or higher
   	Switch pin pushed in	Below 1 Ω

3. Install the clutch switch. Refer to INSTALLATION .

NG → See step   5 

OK: Go to next step 

1. Disconnect the ECM connector.
2. Disconnect the clutch switch connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (2ZR-FE)

   Tester Connection	Condition	Specified Condition
   A37-47 (D) - Body ground	Always	Below 1 Ω
   	Always	10 kΩ or higher

   Standard Resistance (2AZ-FE)

   Tester Connection	Condition	Specified Condition
   B29-56 (D) - Body ground	Always	Below 1 Ω
   	Always	10 kΩ or higher

4. Reconnect the clutch switch connector.
5. Reconnect the ECM connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - CLUTCH SWITCH) 

OK → REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - CLUTCH SWITCH)