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10065–01
3 2 1
4
5
–20
0
20
40
60
80
100
0.1
0.2
0.3
0.5
1
2
3
5
10
20
30
TEMPERATURE
C(
F)
RESIST
ANCE k
Ω
(–4) (32) (80)
(140)
(104)
(212)
(176)
Air
E2
THA
VG
E2G
+B
A50378
A60485
VPA2
EP2
VCP2
VCP1
EP1
VPA1
10–8
–
ENGINE CONTROL SYSTEM
SFI SYSTEM (1MZ–FE)
1438
Author:
Date:
2002 CAMRY REPAIR MANUAL (RM881U)
INSPECTION
1.
INTAKE AIR FLOW METER SUB–ASSY
(a)
Output voltage inspection.
(1)
Apply battery voltage across terminals 1 (+B) and 2
(E2G).
(2)
Using a voltmeter, connect the positive (+) tester
probe to terminal VG, and negative (–) tester probe
to terminal E2G.
(3)
Blow air into the MAF meter, and check that the volt-
age fluctuates.
(b)
Resistance inspection.
(1)
Using an ohmmeter, measure the resistance be-
tween terminals 4 (THA) and 5 (E2).
Resistance:
–20
C (–4
F) 13.6 – 18.4 k
Ω
20
C (68
F) 2.21 – 2.69 k
Ω
60
C (140
F) 0.493 – 0.667 k
Ω
2.
ACCELERATOR PEDAL ASSY
(a)
Resistance inspection
(1)
Using an ohmmeter, measure the resistance be-
tween terminals.
Resistance:
Terminal
Resistance
2 (VPA2)
⇔
3 (EP1)
5.0 k
Ω
or less
5 (VPA1)
⇔
1 (EP2)
5.0 k
Ω
or less
6 (VCP1)
⇔
3 (EP1)
2.25 – 4.75 k
Ω
4 (VCP2)
⇔
1 (EP2)
2.25 – 4.75 k
Ω