Onvehicle Inspection

1. INSPECT ISC VALVE OPERATION

(a) Initial conditions:

• Engine at normal operating temperature

• Idle speed set correctly

Idle Speed Control Adjustment Mk2 Mr2

(b) Disconnect the ISC valve connector.

(c) Check the engine rpm. Engine rpm: 1,000 rpm or more

(d) Reconnect the ISC valve connector.

(e) Check that they return to the idle speed. Idle speed: 800 ± 50 rpm

If the rpm operation is not as specified, check the ISC valve, wiring and ECU.

1991 Mr2 Engine

2. INSPECT ISC VALVE RESISTANCE

(a) Disconnect the ISC valve connector.

(b) Using an ohmmeter, measure the resistance between terminal + B and other terminals (RSC, RSO).

If resistance is not as specified, replace the ISC valve.

(c) Reconnect the ISC valve connector.

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  • alberic
    How to reconnect the starter for toyota mr2?
    8 years ago

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