1986 TOYOTA CAMRY V20 Service Information

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Page 1033 of 2389

TOYOTA CAMRY V20 1986 Service Information 1. Spark plugs
2. Compression pressure
Minimum: 10.0 kg/cm
2
(142 psi, 981 kPa)
at 250 rpm
3. Valve clearance
Standard:
3F±FE 1N 0.19 ± 0.29 mm
(0.007 ± 0.011 in.)
EX 0.28 ± 0.38 mm
(0.011 0.015 i

Page 1034 of 2389

TOYOTA CAMRY V20 1986 Service Information CHECK IGNITION TIMING
1. Connect terminals TE1 and E1 of the check
connector.
2. Check ignition timing.
Standard: 105BTDC @ idle
1. Oil filler cap
2. Oil dipstick
3. Hose connections
4. PCV hoses
5. E

Page 1035 of 2389

TOYOTA CAMRY V20 1986 Service Information 1. Spark plug
2. Compression pressure
Minimum: 10.0 kg/cm
2
(142 psi, 981 kPa)
at 250 rpm
3. Valve clearance
Standard:
3F±FE IN 0.19±0.29 mm
(0.007 ± 0.011 in.)
EX 0.28 ± 0.38 mm
(0.011 ± 0.015 i

Page 1036 of 2389

TOYOTA CAMRY V20 1986 Service Information DIAGNOSIS SYSTEM
DESCRIPTION
The ECU contains a built±in, self±diagnosis system which de-
tects troubles within the engine signal network and then flashed
a
warning on the ºCHECKº engine warning l

Page 1037 of 2389

TOYOTA CAMRY V20 1986 Service Information (b) Malfunction Code Indication
wIn the event of a malfunction, the light will blink every 0.5
seconds. The first number of blinks will equal the first
digit of a 2±digit diagnostic code and, after

Page 1038 of 2389

TOYOTA CAMRY V20 1986 Service Information CANCELLING DIAGNOSTIC CODE
1. After repair of the trouble area, the diagnostic code retained
in memory by the ECU must be cancelled out by removing
the EFI fuse (15 A) for 10 seconds or more, dependin

Page 1039 of 2389

TOYOTA CAMRY V20 1986 Service Information wInjector circuit
wInjector
wOxygen sensor circuit
Oxygen sensor
wECU
wFuel line pressure
wAir flow meter
wWater temp. sensor
wIgnition system During air±fuel ratio feedback
correction, voltage outpu

wInjector circuit
wInjector
wOxygen sensor circuit
Oxygen sensor
wECU
wFuel line pressure
wAir flow meter
wWater temp. sensor
wIgnition system During air±fuel ratio feedback
correction, voltage output from the
main oxygen sensor does exceed a
set valve on the lean side and the
rich side continuously for a certain
period.
When air±fuel ratio feedback
compensation valve or adaptive
control value continues at the upper
(lean) or (rich) limit renewed for a
certain period of time.
wInjector circuit
wInjector
wFuel line pressure
Cold start injector
wAir flow meter
wWater temp. sensor
wECU
Open circuit in VC signal or short
circuit between VC and
E2 when idle contacts are closed.wIgnition circuit (+B, IGT,
IGF)
wIgniter
wECU
Open or short circuit i n sub±
oxygen sensor signal (OX2)wIntake air temp. sensor
circuit
wIntake air temp. sensor
wECU No NE signal to ECU when the
engine speed is above 1,000
rpm. This appears when none of the other
codes (11 thru 71) are identified.
No NE or G signal to ECU
within several seconds after engine
is cracked.
wMain oxygen sensor cir-
cuit
wMain oxygen sensor
wECU wDistributor circuit
wDistributor
wStarter signal circuit
wECU
wWater temp. sensor cir-
cuit
wWater temp. sensor
wECU
wSub±oxygen sensor cir-
cuit
wSub±oxygen sensor
wECU
DIAGNOSTIC CODES (3S±FE)
wAir flow meter circuit
wAir flow meter
wECU Open or short circuit in water temp.
sensor signal (TH1^).
Open or short circuit in intake air
temp. sensor signal (THA)
Open circuit in E2 or short circuit
between VC and VS.No IGF signal to ECU 4±5
times in succession.wDistributor circuit
wDistributor
wECU
Intake air
Temp. Sensor
Signal Number of
Check engine
blinks
Air±fuel ratio
Lean
Malfunction
Air±fuel ratio
Rich
MalfunctionMain oxygen
Sensor Signal
Water temp.
Sensor Signal
Sub±oxygen
Sensor Signal
Air flow
Meter SignalAir flow meter
Signal
Same as 31, above.
*CALIF. only Ignition
SignalRPM Signal
RPM SignalTrouble area
DiagnosisSee
page System Code
No.
Normal
FI±42
FI±39FI±48
FI±39F±48FI±41IG±4
FI±44
± EFI SYSTEMDiagnosis SystemFI±25

Page 1040 of 2389

TOYOTA CAMRY V20 1986 Service Information (w/o ECT)
IDL and PSW signals being output
simultaneously for several seconds.
(w/ ECT)
Open or short circuit in throttle posi-
tion sensor signal (VTA).
wEGR system (EGR valve,
EGR hose etc. )
wEGR g

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