TC and CG Terminal Circuit [10/2014 - ]: Procedure
- CHECK WIRE HARNESS (TC OF DLC3 - TC OF ECM)
- Turn the engine switch off.TEXT IN ILLUSTRATION
*1 DLC3 *a Front view of wire harness connector
(to ECM) - Disconnect the A18 ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition D28-13 (TC) - A18-45 (TC) Always Below 1 Ω
Result:
NG
REPAIR OR REPLACE WIRE HARNESS
Result:
OK
See step 2
- Turn the engine switch off.
- CHECK WIRE HARNESS (CG OF DLC3 - BODY GROUND)
- Measure the resistance according to the value(s) in the table below.TEXT IN ILLUSTRATION
*1 DLC3 Standard Resistance
Tester Connection Condition Specified Condition D28-4 (CG) - Body ground Always Below 1 Ω
Result:
NG
REPAIR OR REPLACE WIRE HARNESS
Result:
OK
See step 3
- Measure the resistance according to the value(s) in the table below.
- CHECK WIRE HARNESS (TC OF DLC3 - BODY GROUND)
- Measure the resistance according to the value(s) in the table below.TEXT IN ILLUSTRATION
*1 DLC3 Standard Resistance
Tester Connection Condition Specified Condition D28-13 (TC) - Body ground Always 1 MΩ or higher
Result:
OK
REPLACE AIRBAG ECU ASSEMBLY
(Refer to REMOVAL [10/2014 - ] )
Result:
NG
REPAIR OR REPLACE WIRE HARNESS OR REPLACE ECM
- Measure the resistance according to the value(s) in the table below.