Toyota T100 1996 Service Manual page 414

DI−150
WIRING DIAGRAM
W−R
B−Y
4
EA1
17
1C
J/B No.1
3
1A
From
IG Switch
INSPECTION PROCEDURE
1 Connect OBD II scan tool or TOYOTA hand−held tester and read value of mass
air flow rate.
PREPARATION:
(a) Connect the OBD II scan tool or TOYOTA hand−held tester to the DLC3.
(b) Turn the ignition switch ON and push the OBD II scan tool or TOYOTA hand−held tester main switch
ON.
(c) Start the engine.
CHECK:
Read mass air flow rate on the OBD II scan tool or TOYOTA hand−held tester.
RESULT:
Mass air flow rata (gm/sec.)
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
B−W
2 2 2
2
1
2
EFI
2
1
EFI Relay
R/B No.2
− ENGINE (5VZ−FE)
3
W−R
2
2
9
EA1
2
9
EA
Mass Air Flow Meter
Type I
Approx. 0
Type I Go to step 2.
Type II Go to step 5.
IE1
1
2
GR−R
E6 E6
5
BR−W
E6 E6
(M/T)(A/T)
Type II
11.0 − 25.1 (idling after warming up)
ECM
2 8
VG
8 18
E3
E1
P19917