Toyota 4Runner: On-vehicle Inspection

Toyota 4Runner Service Manual / Suspension / Suspension Control / Kinetic Dynamic Suspension System / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT INDICATOR LIGHT

(a) Check that the KDSS indicator light comes on for 2 seconds when the ignition switch is turned to ON.

If the indicator check result is not normal, proceed to troubleshooting for the Problem Symptoms Table (See page ).

2. INSPECT FLUID PRESSURE

NOTICE:

Perform the inspection on a level surface.
Perform the inspection with the vehicle empty.
Make sure that the wheels are on the ground and facing straight ahead.
Perform the inspection with the vehicle load completely on the suspension.

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / KDSS / Data List.

(f) Select the item below in the Data List, and read its value displayed on the Techstream.

KDSS

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
Oil Pressure Sensor	Oil pressure sensor/ Min.: -784.79 MPa (-8002.66 kgf/cm2, -113794.55 psi) Max.: 784.76 MPa (8002.35 kgf/cm2, 113790.20 psi)	2.6 MPa (26.5 kgf/cm2, 377 psi) to 3.0 MPa (30.6 kgf/cm2, 435 psi): When vehicle stopped and fluid temperature 20°C (68°F)	-

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Oil Pressure Sensor

Oil pressure sensor/

Min.: -784.79 MPa (-8002.66 kgf/cm2, -113794.55 psi)

Max.: 784.76 MPa (8002.35 kgf/cm2, 113790.20 psi)

2.6 MPa (26.5 kgf/cm2, 377 psi) to 3.0 MPa (30.6 kgf/cm2, 435 psi): When vehicle stopped and fluid temperature 20°C (68°F)

HINT:

If the value is outside the specified range, there may be fluid leaks, clogs in the hydraulic circuit, or a lack or excess of fluid.

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