toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Idle Up Control Valve > < Circuit Test|Page 1839
Page 2
background image

Fig. 68 ISC valve test connections.

3S-FE

1.

Disconnect ISC valve wiring connector.

2.

Using suitable ohmmeter, measure resistance between +B and ISC1 terminals, then between +B and ISC2 terminals, Fig. 68.

3.

Resistance between both sets of terminals should be 16---17 ohms. If readings obtained are not as specified, replace ISC valve.

4.

Connect ISC valve wiring connector.

Idle Up Control Valve > < Circuit Test|Page 1839