Toyota ZZT230 series Repair Manual page 250

WIRING DIAGRAM
Throttle
INSPECTION PROCEDURE
HI NT :
•
)
If OTC P0100 (Mass Air Row Meter Circuit Malfunction), P0106 (Mass Air Flow Meter Circuit Range/
Performance Problem). P0110 (Intake Air Temp. Circuit Malfunclion), P011 5 (Engine Coolant Temp.
•
Circuit MaHunctlon), P0120 (Throttle/Pedal Position Sensor/Switch
simultaneously, E2 (sensor ground) may be open.
Read freeze frame data using TOYOTA hand-held tester or OBD II scan tool. Because freeze frame
r eco r ds
the engine conditions when the malfunction Is detected, when troubleshooting it is useful for
determining whether the vehicle was running or stopped, the engine warmed up or not, the air-fuel
ratio lean or rich, etc. at the time of the malfunction.
)
DIAGNOSTlCS
Position Sensor
1 . ,
2 .,
2 .,
1 .,
'1: 1ZZ-FE
'2: =-GE
ENGINE
R
VC
B-W
BR
E2
A Circuit Malfunction) are output
" "
Dl-39
Engine ECU
E1