0V
More than 0 V
T
5V
(
Repair (Over lean) )
FI-76
EFI SYSTEM —
Electronic Control System
CONTINUED FROM PAGE FI-75
(
Repair the relevant diagnostic code.
Malfunction code(s)
(Ex. code Nos. 21, 25, 26 and 28)
Read and record diagnostic codes. (See pages FI-24, 25)
Normal code, code Nos. 21,
25, 26 and 28
Disconnect terminals TE1 and El of the check connector.
And maintain engine at 2,500 rpm.
Measure voltage between terminals VF1 (VF2) and El.
0V
5V
Disconnect the PCV hose.
Measure voltage between terminals VF1 (VF2) and El.
Repair (Over rich)
(
)
Disconnect the water temp. sensor connector and
connect resistor with a resistance of 4 — 8 k) or
another coded water temp. sensor.
Connect terminals TE1 and El of the check connector.
Warm up the oxygen sensor with the engine at 2,500
rpm for approx. 120 seconds. And maintain engine
speed at 2,500 rpm.
Measure voltage between terminals VF1 (VF2) and El.
OV
(
Replace the oxygen sensor.