TC and CG Terminal Circuit [08/2015 - ]: Procedure

1. Check if a CAN communication system DTC is output. Refer to DIAGNOSIS SYSTEM [08/2015 - ] .

   Result

   Result	Proceed to
   DTC is not output.	A
   DTC is output.	B

B → See step   8 

A: Go to next step 

1. Turn the ignition switch to ON.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   I39-13 (TC) - I39-4 (CG)	Ignition switch ON	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of DLC3

NG → See step   4 

OK: Go to next step 

1. Turn the ignition switch off.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Replace the ECM. Refer to REMOVAL [08/2015 - ] for 2GR-FE, or refer to REMOVAL [08/2015 - ] for 2AR-FE).
3. Using SST, connect terminals TC and CG of the DLC3.
   • SST: 09843-18040 
4. Check that the ABS warning and slip indicator lights are blinking.

   OK

   The ABS warning and slip indicator lights are blinking.

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of DLC3

   HINT: 

   If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts. Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] .

NG → See step   7 

OK → END 

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

   Standard Resistance

   FOR 2GR-FE
   
   

   Tester Connection	Condition	Specified Condition
   I39-13 (TC) - A25-45 (TC)	Always	Below 1 Ω
   I39-13 (TC) - Body ground	Always	10 kΩ or higher

   FOR 2AR-FE
   
   

   Tester Connection	Condition	Specified Condition
   I39-13 (TC) - A25-23 (TC)	Always	Below 1 Ω
   I39-13 (TC) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   I39-4 (CG) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of DLC3

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Replace the ECM. Refer to REMOVAL [08/2015 - ] for 2GR-FE, or refer to REMOVAL [08/2015 - ] for 2AR-FE).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Using SST, connect terminals TC and CG of the DLC3.
   • SST: 09843-18040 
3. Check that the ABS warning and slip indicator lights are blinking.

   OK

   The ABS warning and slip indicator lights are blinking.

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of DLC3

   HINT: 

   If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts. Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] .

NG → See step   7 

OK → END