DTC Description

DTC DETECTION LOGIC

DTC		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
P2159	00	VEHICLE SPEED SEN B (Vehicle Speed Sensor "B" Circuit Range/Performance)	Diagnosis condition	Engine running
			Signal (Terminal)	Right rear wheel speed sensor signal
			Threshold	Right rear wheel speed sensor signal is invalid.
			Diagnosis delay time	5 seconds

POSSIBLE CAUSE

Harness or connectors (circuit is open)
Wheel speed sensor connector connection
Wheel speed sensor
Wheel spin

FAIL-SAFE

Fail safe mode

Vehicle behavior

Traveling control mode

Accelerator angle variation control

ECM controls the accelerator pedal depression speed to make it slower than actual speed. This causes a drop in accelerating performance and encourages the driver to repair malfunction.

note	ECM does not control the accelerator pedal releasing speed.

Combustion control mode

Stratified charge combustion control at starting

No stratified charge combustion at starting (cold start).

DTC CONFIRMATION PROCEDURE

1.CHECK DTC PRIORITY

If DTC P2159 is displayed with other DTC, first perform the confirmation procedure (trouble diagnosis) for other DTC.

Is applicable DTC detected?

Perform diagnosis of applicable.

2.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch OFF and leave the vehicle for 1 hour.

caution

Never turn ignition switch ON during this procedure.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.

3.PERFORM DTC CONFIRMATION PROCEDURE

Start engine and let it idle for 5 seconds or more.

caution

Never turn ignition switch OFF during idling.

Is the DTC detected?

Proceed to DTC Diagnosis Procedure

-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident

-2Confirmation after repair: INSPECTION END