TOYOTA PREVIA 91-97 REPAIR MANUAL

5-12 FUEL SYSTEM

Fig. 39 Remove the wiring from the cold start injector

7. Connect the negative battery cable.


8. Start the engine and check for leaks.

Start Injector Time Switch

REMOVAL & INSTALLATION

» See Figure 40

1. Drain the engine coolant from the system.


2. Remove the right engine cover.


3. Locate the start injector time switch. The switch is located on
   forward portion of the engine on the water outlet.


4. Remove the wiring from the switch.


5. Using a wrench, remove the switch from the outlet.
   To install:


6. Insert the switch into the threaded hole and secure.

Fig. 40 Disconnect the wiring from the start injector time switith

7. Attach the wiring to the switch.


8. Fill the cooling system, start the engine and check for leaks.


9. Top off the system.


10. Install the right engine cover.

TESTING

I See Figures 41, 42 and 43

1. Disconnect the crankshaft position sensor wiring.


2. Using an ohmmeter, measure the resistance between the left terminal
   and ground.


3. Then test the resistance between both terminals.


4. If the resistance is not as specified, replace the start injector time
   switch.


5. Reattach the sensor wiring.

Fig. 41 Place the negative lead of the meter on ground and the

positive on the left terminal

Fig. 42 Test both terminals of the start injector time switch for

continuity