Toyota AVENSIS 2000 Supplement Manual page 176

DTC P1780
CIRCUIT DESCRIPTION
The neutral start switch detects the shift lever range and sends the signals to the Engine and ECT ECU.
The Engine and ECT ECU receives the signals (NSW, R, 2 and L) from the neutral start switch, when the
signal is not sent to the Engine and ECT ECU from the neutral start switch, the Engine and ECT ECU judges
that the shift lever is in the D range.
DTC No.
2 or more switches are ON simultaneously for "N", "R", "2" or
"L" range.
(2–trip detection logic)
When driving under the conditions (a), (b) and (c) for 30 se-
conds or more, the park/neutral position switch is ON (N posi-
P1780
tion).
(2–trip detection logic)
(a) Vehicle speed: 80 km/h (50 mph) or more
(b) Engine speed: 1,500 – 5,000 rpm
(c) Manifold absolute pressure: 300 mmHg or more
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS
Neutral Start Switch Malfunction
DTC Detecting Condition
– AUTOMATIC TRANSAXLE (A246E)
S Short in neutral start switch circuit
S Neutral start switch
S Engine and ECT ECU
Trouble Area
DI–45
DI80C–01