Toyota 3F-E Repair Manual Supplement page 84

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