Diagnosis Code P1705: Throttle Position Sensor Information (Engine)

DIAGNOSIS CODE SET CONDITIONS

With the vehicle speed more than 5 km/h, and with the output shaft speed sensor detected normal or abnormal, the TPS fail signal is received from engine-ECU for 5 seconds or the APS fail signal is received for 3 seconds.

PROBABLE CAUSES

Malfunction of the CAN
Malfunction of the engine-ECU
Damaged harness or connector
Malfunction of the throttle position sensor
Malfunction of the A/T-ECU

DIAGNOSIS PROCEDURE

STEP 1. Check for CAN communication system malfunction.

Q. Are the diagnosis code U0001, U0100, U0141, P1705, P1706 set?

	Check and repair the CAN communication system.

	Go to Step 2.

STEP 2. Check the throttle position sensor and engine-ECU-side main unit and connector wiring.

Q. Is the check result normal?

	Go to Step 3.

	Repair or replace the failure section.

STEP 3. Erase the diagnosis code, and drive the vehicle for a while.

Check that the normal code is displayed.

Q. Is the check result normal?

	The procedure is complete.

	Replace the A/T-ECU.