Toyota Corolla (E120): Lh headlamp assy

Inspection

Components

Other materials:

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 ...

Pressing power switch does not start system
Wiring diagram Inspection procedure 1 Inspect radio receiver assy(+b, acc, gnd) Check that the continuity between terminals at each condition, as shown in the chart. Standard: Check that the voltage between terminals at each condition, as shown in the chart. Standard: ...

Purpose of the readiness tests
The on–board diagnostic (obd ii) system is designed to monitor the performance of emission–related components and report any detected abnormalities in the form of diagnostic trouble codes (dtcs). Since the various components need to be monitored during different driving condition ...