STEP 1. Check battery itself
STEP 2. Check battery test
STEP 3. Check battery current sensor itself
STEP 4. Check of harness damage in ECB5 line between battery current sensor connector and ECM connector.
STEP 5. Check of harness damage in ECBE line between battery current sensor connector and ECM connector.
STEP 6. Check of harness damage in ECB line between battery current sensor connector and ECM connector.
STEP 7. Using scan tool (M.U.T.-III), read the diagnostic trouble code (DTC).
caution | To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III). |
(1) Connect scan tool (M.U.T.-III). Refer to HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) . (2) Start the engine and run at idle.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the DTC P1609 stored?
Replace the ECM (Refer to Removal and Installation ). Then go to Step 8. It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions .
STEP 8. Using scan tool (M.U.T.-III), read the diagnostic trouble code (DTC).
caution | To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III). |
(1) Connect scan tool (M.U.T.-III). Refer to HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) . (2) Start the engine and run at idle.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the DTC P1609 stored?
Retry the troubleshooting. The inspection is complete.