1ar-fe Engine Control

Inspection

~1min read
INSPECTION CAUTION / NOTICE / HINT

HINT:

Use the same procedure for the intake side and exhaust side.

PROCEDURE

1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

20 °C

6.9 to 7.9 Ω

If the result is not as specified, replace the oil control valve assembly.

Text in Illustration

*1

Component without harness connected

(Camshaft Timing Oil Control Valve)

(b) Connect the positive (+) lead from a battery to terminal 1 and the negative (-) lead to terminal 2, and check the movement of the valve.

OK:

Condition

Specified Condition

Battery positive (+) voltage is applied

Valve moves in left arrow direction shown in illustration

Battery positive (+) voltage is cut off

Valve moves in right arrow direction shown in illustration

NOTICE:

Confirm that the valve moves freely and does not stick in any position.

If necessary, replace the camshaft timing oil control valve assembly.

HINT:

Accumulation of foreign matter can cause minor pressure leaks. Minor pressure leaks will cause the camshaft to advance or retard, and this will cause a DTC to be set.

Text in Illustration

*1

Component without harness connected

(Camshaft Timing Oil Control Valve)

*2

Battery

*3

Valve

Test yourself

A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.