Inspection Procedure

1. Disconnect the A5 connector from the ECM.
2. Turn the engine switch on (IG).
3. Measure the voltage according to the value(s) in the table below.

   Standard voltage 

   VOLTAGE SPECIFICATION CHART
   
   

   Tester Connection	Condition	Specified Condition
   A5-9 (CLSW) - Body ground	Clutch pedal depressed	Below 1 V
   	Clutch pedal released	10 to 14 V

Fig 1: Identifying A5 Connector From ECM
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step 2 

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

1. Turn the engine switch off.
2. Disconnect the A21 connector from the clutch switch.
3. Remove the clutch switch.
4. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION CHART
   
   

   Tester Connection	Condition	Specified Condition
   1 - 2	Switch pin free (Clutch pedal depressed)	10 kΩ or higher
   	Switch pin pushed in (Clutch pedal released)	Below 1 Ω

Fig 2: Inspecting Clutch Switch
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE CLUTCH SWITCH 

OK: Go to Next Step 

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

   Standard resistance 

   RESISTANCE SPECIFICATION CHART
   
   

   Tester Connection	Condition	Specified Condition
   A5-9 (CLSW) - A21-2	Always	Below 1 Ω
   A5-9 (CLSW) - Body ground	Always	10 kΩ or higher

Fig 3: Identifying Clutch Switch Connector Terminal A21
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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