Toyota Corolla (E120) 2002–2008 Repair Manual / Emission control / Fan and generator v belt
Toyota Corolla (E120): Fan and generator v belt
Replacement
1. Remove engine under cover rh
2. Remove fan and generator v belt
- Turn the v–ribbed belt tensioner slowly clockwise and loosen it. Then, remove the fan and generator v belt and put back the v–ribbed belt tensioner little by little and fix it quietly.
Other materials:
Inspection procedure
1 Check ignition or starter switch assy
Check the ignition switch, as shown in the illustration and
table.
Standard:
2 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
3 Check relay (m ...
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...
Circuit description
The variable valve timing (vvt) system includes the ecm, the oil control
valve (ocv) and the vvt controller.
The ecm sends a target ”duty–cycle” control signal to the ocv. This control
signal, applied to the ocv,
regulates the oil pressure supplied to the vvt controller. Camshaft timin ...