Toyota 3F-E - Page 84

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EFI SYSTEM —
Diagnosis System
FI-25
DIAGNOSTIC CODES (Cont'd)
ode
Number of
See
Check engine
System
Diagnosis
Trouble area
No.
page
ag
e
Open circuit in VC signal or
•
Air flow meter circuit
31
Air flow
short circuit between VS and
•
Air flow meter
FI-35
Meter Signal
E2 when idle contacts are
ECU
closed.
•
FI 612 1
32
Air Flow
Open circuit in E2 or short
•
Air flow meter circuit
•
Air flow meter
FI -35
Meter Signal
circuit between VC and VS.
• ECU
FI1613
35
HAC Sensor
Open circuit in altitude
• ECU
Signal
compensation sensor signal.
F12699
•
Throttle position sensor
41
Throttle
Position
Open or short circuit in
circuit
FI-33
throttle position sensor signal.
•
Throttle position sensor
Sensor Signal
• ECU
FI1614
No "SPD" signal for 8
seconds when engine speed
•
Vehicle speed sensor
Vehicle Speed
in between 2,000 rpm and
circuit
42
j1j1j1j1jj
Sensor Signal
5,000 rpm and coolant temp.
•
Vehicle speed sensor
is below 80°C (176°F) except
• ECU
FI1615
when racing the engine.
No "STA" signal to ECU until
•
Ignition switch circuit
43
Starter Signal
engine speed reaches 800
•
Ignition switch
FI-39
rpm with vehicle not moving
• ECU
FI1616
• Throttle position sensor
circuit
No "IDL' signal or "NSW"
•
Throttle position sensor
51
Switch Signal
signal to ECU, with the check
•
Neutral start switch
terminals E1 and TE1 shorted.
•
Acceleration pedal and
cable
FI1617
•
ECU
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