TC and CG Terminal Circuit: Procedure

1. Check if CAN communication system DTCs are output. Refer to DIAGNOSIS SYSTEM [06/2012 - ] .

   Result

   Result	Proceed to
   DTCs are not output.	A
   DTCs are output.	B

B → See step   8 

A: Go to next step 

1. Turn the engine switch on (IG).

   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
   H29-13 (TC) - H29-4 (CG)	Engine switch on (IG)	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of DLC3

NG → See step   4 

OK: Go to next step 

1. Turn the engine switch off.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Replace the ECM. Refer to REMOVAL [06/2012 - ] .
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 [06/2012 - ] .

NG → See step   7 

OK → END 

1. Turn the engine switch off.
2. Disconnect the A22 ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H29-13 (TC) - A22-45 (TC)	Always	Below 1 Ω
   H29-13 (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
   H29-4 (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 [06/2012 - ] .

   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 [06/2012 - ] .

NG → See step   7 

OK → END