Code No. P2135: Throttle Position Sensor (main and sub) Range/Performance Problem

OPERATION

Check code No. P0122: throttle position sensor (main) circuit low input (Refer to ).
Check code No. P0222: throttle position sensor (sub) circuit low input (Refer to ).

FUNCTION

Engine-ECU checks the throttle position sensor output signal characteristics for abnormal conditions.

TROUBLE JUDGEMENT

Check Conditions

Throttle position sensor (main) output voltage is more than 0.2 V and is less than 4.8 V.
Throttle position sensor (sub) output voltage is more than 0.2 V and is less than 4.8 V.

Judgement Criterion

The sum of the output voltage of the throttle position sensors (main and sub) is less than 4.5 V, or more than 5.5 V.

Check Conditions

Throttle position sensor (main) output voltage is more than 0.2 V and is less than 4.8 V.
Throttle position sensor (sub) output voltage is more than 0.2 V and is less than 4.8 V.
Battery positive voltage is more than 8.3 V.
Throttle position sensor (main and sub) output voltage has continued to be less than the target throttle position sensor (main) voltage by less than 0.9 V.

Judgement Criterion

Voltage obtained with the formula given below is more than 0.3 V for 0.3 second: [throttle position sensor (main) output voltage - throttle position sensor (sub) output voltage].

FAIL-SAFE AND BACKUP FUNCTION

Throttle opening degree position is in default position.

PROBABLE CAUSES

Failed throttle position sensor
Harness damage in throttle position sensor circuit or loose connector contact
Failed engine-ECU

DIAGNOSIS PROCEDURE

STEP 1. Check of harness damage in TPS5 line between electronic-controlled throttle valve connector and engine-ECU connector.

Q. Is the check result normal?

	Go to Step 2.

	Repair the connector(s) or wiring harness.

STEP 2. Check of harness damage in TPSM line between electronic-controlled throttle valve connector and engine-ECU connector.

Q. Is the check result normal?

	Go to Step 3.

	Repair the connector(s) or wiring harness.

STEP 3. Check of harness damage in TPSS line between electronic-controlled throttle valve connector and engine-ECU connector.

Q. Is the check result normal?

	Go to Step 4.

	Repair the connector(s) or wiring harness.

STEP 4. Check of harness damage in TPSE line between electronic-controlled throttle valve connector and engine-ECU connector.

Q. Is the check result normal?

	Go to Step 5.

	Repair the connector(s) or wiring harness.

STEP 5. Replace throttle body assembly.

After replacing the throttle body assembly, reconfirm whether the diagnosis code is stored.

Q. Is diagnosis code stored?

	Replace the engine-ECU.

	Check end.