Toyota 22R-E Service Manual page 530

Disconnect terminals TE1 and E1 of the DLC1.
And maintain engine speed at 2,500 rpm.
Measure voltage between terminals VF1 and E1.
More than 0 V
ENGINE
CONTINUED FROM PAGE
Read and record diagnostic trouble codes.
Normal code, code 21,
code 25 and code 16
Repair the relevent diagnostic trouble code.
Repair the relevent diagnostic trouble code.
Read and record diagnostic trouble codes.
(See page EG2–176)
Disconnect terminals TE1 and E1 of the DLC1.
And maintain engine speed at 2,500 rpm.
Measure voltage between terminals VF1 and E1.
Disconnect the PCV hose.
Measure voltage between terminals VF1 and E1.
Repair (Over rich)
Disconnect the engine coolant temp. sensor con–
nector and connect a resistor with a resistance of
4 – 8 kW or send en equivalent simulation signal.
Connect terminals TE1 and El of the DLC1.
Warm up the heated oxygen sensor with the engine
at 2,500 rpm for approx. 90 seconds.
And maintain engine speed at 2,500 rpm.
Measure voltage between terminals VF1 and E1.
Replace the heated oxygen sensor.
– MFI SYSTEM
EG2–252
Malfunction code(s)
(ex. code 21, code 25 and code 26)
Malfunction code(s)
(ex. code 21, code 25 and code 26)
Normal code, code 21,
code 25 and code 26
More than 0 V
Repair (Over lean)
EG2–253