Toyota Corolla (E170) 2014–2019 Owners Manual / Instrument cluster / Gauges and meters (multi-information display) / Multi-information display
Toyota Corolla (E170): Multi-information display
1 Outside temperature display
2 Driving monitor
3 Warning messages
4 Eco Driving Indicator Zone Display*
5 Trip information
6 Shift position and gear position indicator* (, 176)
*: Except vehicles with a manual transmission
Other materials:
Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram
Inspection procedure
1 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
2 Check tvip ecu
Disconnect ...
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 ...
Inspection procedure
Hint:
hand–held tester only:
narrowing down the trouble area is possible by performing ”a/f control” active
test (heated oxygen
sensor or other trouble areas can be distinguished).
perform active test using hand–held tester (a/f control).
Hint:
”a/f control” is the act ...