Code No. P1706: Malfunction of Throttle Signal


DIAGNOSTIC FUNCTION


CVT-ECU detects the abnormality in the throttle position signal sent from the engine-ECU.

JUDGMENT CRITERIA


The value inverted against the throttle position signal received from the engine ECU is fixed for one second.

PROBABLE CAUSES



DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III CAN bus diagnostics
Use M.U.T.-III to perform the CAN bus diagnosis.

Q. Is the check result normal?
Go to Step 2
Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting, Diagnosis Code Chart ).

STEP 2. M.U.T.-III diagnosis code
Check if the engine-related diagnosis code is set.

Q. Is diagnosis code set?
Diagnose the engine control system.
Go to Step 3

STEP 3. Symptom recheck after erasing diagnosis code

Q. Is the check result normal?
Intermittent malfunction
Replace CVT-ECU.