Control Circuit Inspection (Etc Output1)

Check for short to ground in control circuit
1. Ignition "OFF"
2. Disconnect ETC assembly connector
3. Measure resistance between terminal 3 of the ETC motor harness connector and chassis ground
  Specification : Infinite
  
  Fig 1: Measuring Resistance Between Terminal 3 Of ETC Motor Connector And Chassis Ground
4. Is resistance within the specification?
  YES
  - Go to next step
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
Check for short to battery in control circuit
1. Disconnect ECM harness connector
2. Ignition "ON" & Engine "OFF"
3. Measure voltage between terminal 3 of the ETC motor harness connector and chassis ground
  Specification : Approx. 0V
  
  Fig 2: Measuring Voltage Between Terminal 3 Of ETC Motor Connector And Chassis Ground
4. Is voltage within the specification?
  YES
  - Go to next step
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
Check for open in control circuit
1. Ignition "OFF"
2. Measure resistance between terminals 3 of the ETC motor harness connector and 71 of the ECM harness connector
  Specification : Approx. 0Ω
  
  Fig 3: Measuring Resistance Between Terminals 3 Of ETC Motor Connector And 71 Of ECM Connector
3. Is resistance within the specification?
  YES
  - Go to CONTROL CIRCUIT INSPECTION (ETC OUTPUT2)
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure