Test Procedure
-- Perform a preliminary check to verify the customers complaint. Refer to PRELIMINARY CHECK
Start diagnosis
-- Remove the engine cover. Refer to the Repair Information.
-- Disconnect the Exhaust Door Control Unit -J883- -1- -3- electrical harness connector.
-- Switch the ignition on.
-- Using a multimeter, Check the Exhaust Door Control Unit -J883- electrical harness connector terminals 1 to 3 for voltage.
Specified value: about 5.0 V
-- Switch the ignition off.
Continue test according to the following table:
| Value | Cause | Test |
|---|---|---|
| If the specified value was not obtained: | Open or shorted circuit | Checking Wiring |
| If the specified value was obtained: | Check reference signal circuit | Checking Activation |