Toyota AVENSIS 2000 Supplement Manual page 234

INSPECTION PROCEDURE
HINT:
Read freeze frame data using hand–held tester. Because freeze frame records the engine conditions when
the malfunction is detected, when troubleshooting it is useful for determining whether the vehicle was run-
ning or stopped, the engine warmed up or not, the air–fuel ratio lean or rich, etc. at the time of the malfunction.
1 Check operation of stop light.
CHECK:
Check if the stop lights go on and off normally when the brake pedal is depressed and released.
OK
2 Check STP signal.
ON
Brake Pedal
Depressed
ON
(–)
NG
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS
When using hand–held tester:
PREPARATION:
(a)
Brake Pedal
(b)
Released
CHECK:
Read the STP signal on the hand–held tester.
OK:
STP
When not using hand–held tester:
PREPARATION:
(a)
(b)
CHECK:
Check voltage between terminal STP of the Engine and ECT
(+)
ECU and body ground.
OK:
D10032
– AUTOMATIC TRANSAXLE (U240E)
NG Check and repair stop light circuit.
Connect the hand–held tester to the DLC3.
Turn the ignition switch ON and hand–held tester main
switch ON.
Brake pedal is depressed: STP...ON
Brake pedal is released:
Remove the glove compartment door.
Turn the ignition switch ON.
Brake pedal
Depressed
Released
OK Check for intermittent problems.
STP...OFF
Voltage
9.0 – 14 V
Below 1.5 V
DI–103