Toyota Venza: Diagnosis System

Toyota Venza Service Manual / Power Assist Systems / Power Steering System / Diagnosis System

DIAGNOSIS SYSTEM

1. CHECK DLC3

(a) Check the DLC3 (See page ).

2. FUNCTION OF P/S WARNING LIGHT

(a) When a malfunction is detected in the power steering system, the P/S warning light on the accessory meter comes on to inform the driver of the malfunction.

HINT:

When power assist is stopped or reduced, the P/S warning light comes on.

Power assist is stopped:

When a malfunction occurs in the power steering system (including lost CAN communication etc.)
When the engine stalls (not a malfunction)
During the period after the ignition switch is turned to ON until the engine is started (not a malfunction)

Power assist is reduced:

When a malfunction occurs in the power steering system (including lost CAN communication etc.)
When the battery voltage decreases (not a malfunction)

3. CHECK P/S WARNING LIGHT

(a) Check that the P/S warning light comes on when the ignition switch is turned to ON and goes off in approximately 3 seconds.

(b) If the warning light remains on, refer to PS Warning Light Remains ON (See page ).

Terminals Of Ecu

TERMINALS OF ECU 1. CHECK POWER STEERING ECU HINT: As connector z8 uses a lock lever, each terminal cannot be checked while the connector is still connected to the power steering ECU. ...

Dtc Check / Clear

DTC CHECK / CLEAR 1. CHECK DTC (a) Turn the ignition switch off. (b) Connect the Techstream to the DLC3. (c) Turn the ignition switch to ON. (d) Turn the Techstream on. (e) Read the DTCs followi ...

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