Toyota 4-Runner 1985 Repair Manual page 192

No Malfunction (Code No.1)
0.5 seconds
EFI SYSTEM - Diagnosis System
FI-23
4. Read the diagnostic code as indicated by the number of
flashes of the "CHECK ENGINE" warning light.
Diagnostic code (See page FI-25)
(a) Normal System Operation (code No.1) (no
malfunction)
The light will blink once every 4.5 seconds.
ON
n
OF F
ir-
i
•
- - - - I : ~
r-!-----:
~~ r~-rL
4 seconds
4.5 seconds
Malfunction (Code No.3)
0.5 seconds
1 second
ON
OFF!
i I
I
I
i-----i
1-
~I
I
I
4 seconds 4.5 seconds
FI0597
FI0598
(b)
Malfunction Code Indication
The light will blink
a
number of times equal to the
malfunction code indication every 4.5 seconds.
The diagnostic code series will be repeated as long as
the check connector terminals (T and E
1 )
are shorted.
5. After the diagnosis check, remove the sub-wire.