Toyota ZZT230 series Repair Manual page 235

Dl-24
WIRING DIAGRAM
2H
W-8
FLMAIN
.
.
Battery
c
INSPECTION PROCEDURE
HINT:
data
using TOYOTA hand-held tester or OBD II scan tool. Because freeze frame records
freeze frame
Read
the the vehi cl e
engine conditions when the malfunction is detected, when troubleshooting
of
whether was running or stopped, the engine warmed up or not, the air-fuel ratio lean or rich, etc.
time lhe
at the malfunction.
Connect 080 II scan tool or TOYOTA hand-held tester, and read value of mass
1
air flow rate.
PREPARATION:
Connect the OBD II scan tool or TOYOTA hand-held tester to the DLC3.
(a)
Tum ignHion switch ON and push the OBD II scan tool or TOYOTA hand-held tester main switch ON.
h
(b )
e
(c)
Start t engine .
Engi n e Room JIB
EFI Rel a y
EFINo. 1
3
2
ENGINE
M1
Air Flow
Mass Meter
E2G 2 Y-G
VC 3 Y-W
+B
1
B-R
2C
L-8
2F
it
ECM
EVG
21
MREL
A09118
is useful for determining