STEP 1. The heater controller assembly (A/C-ECU) using scan tool (M.U.T.-IIISE), check data list.
(1) caution | To prevent damage to scan tool (M.U.T.-IIISE), always turn the electric motor switch to the OFF position before connecting or disconnecting scan tool (M.U.T.-IIISE). |
Connect scan tool (M.U.T.-IIISE). Refer to "How to connect Scan Tool (M.U.T.-IIISE)
".
(2) Check that the following data list M.U.T.-IIISE display contents are normal (Refer to ).Item No.200: Battery cooling request signal
Is the check result normal?
Go to Step 3. Go to Step 2.
STEP 2. The heater controller assembly (A/C-ECU) using scan tool (M.U.T.-IIISE), check data list.
STEP 3. The heater controller assembly (A/C-ECU) using scan tool (M.U.T.-IIISE), check data list.
STEP 4. Retest the system