Diagnostic Codes - Toyota 3F-E Repair Manual Supplement

FI-24
Number of
Code
Check engine
No.
blinks
Ti
— — — —
—
——
F11604
11
FI1605
12
F11606
13
FI1 607
14
11M
Fll 608
21
FI1609
22
F11610
24
in-
-
FI1611
25
II
-
FI2562
26
MThI - U
- —
FI2563
28
FI2698
EFI SYSTEM —

DIAGNOSTIC CODES

System
This appears when none of
Normal
the other codes are identified.
Momentary interruption in
ECU (+B)
power supply to ECU.
No "NE" or "G" signal to
PRM Signal
ECU within 2 seconds after
engine has been cranked.
No "NE" signal to ECU
when engine speed is
RPM Signal
above 1,000 rpm.
Ig Ignitio n
No "IGF" signal to ECU
Signal - 8 times in succession.
Oxygen
Detects deterioration of
Sensor
oxygen sensor.
Signal
Oxyge n
Open or short circuit in
Sensor Se n
oxygen sensor heater signal.
Heater Sign Signal
Water Temp. Open or short circuit in water
Sensor Signal temp. sensor signal.
Intake Air
Open or short circuit in intake
Temp. Sensor
air temp. sensor signal.
Signal
(1) When air-fuel ratio feed-
back compensation value
or adaptive control value
Air-fuel continues at the upper
Ratio Lean
(lean) or lower (rich) li mit.
Malfunction
(2) When air-fuel ratio feed-
back compensation value
or adaptive control value
feedback frequency is
abnormally high during
feedback condition.
HINT: For condition (2),
Air-fuel
neither a lean (Code No. 25)
Ratio Rich
nor a rich (Code No. 26)
Malfunction
diagnosis is displayed
consecutively.
No. 2 Oxygen
Sensor Signal
Same as code No. 21
No. 2 Oxygen
Sensor Heater
Diagnosis System
Diagnosis
•
Ignition switch circuit'
•
Ignition switch
•
Main relay circuit
•
Main relay
•
ECU
•
Distributor circuit
•
Distributor
•
Starter signal circuit
•
ECU
•
Distributor circuit
•
Distributor
•
ECU
•
Igniter and ignition coil
circu circuit
•
Igniter and ignition coil
•
ECU
•
Oxygen sensor circuit
•
Oxygen sensor
•
ECU
•
Oxygen sensor heater
circuit
•
Oxygen sensor heater
•
ECU
•
Water temp. sensor
circuit
•
Water temp. sensor
•
ECU
•
Intake air temp. sensor
circuit
•
Intake air temp. sensor
•
ECU
•
Injector circuit
•
Injector
•
Fuel line pressure
•
Air flow meter
•
Air intake system
•
Oxygen sensor circuits
•
Oxygen sensors
•
Ignition system
•
ECU
•
Injector circuit
•
Injector
•
•
Co
•
Cold
•
ECU
Same as code No. 21
Trouble area
—
uFuel line pressure
flow meter
start injector
FI-44
I
See
page
—
F1-30
IG-4
-
FI-41
FI-44
F1-37
F1 - 36
—