MPI <4G1> -
Troubleshooting
13A-11
OK
Check the harness between the
vacuum sensor and the engine-ECU,
and repair if necessary.
From the previous page
OK
Measure at engine-ECU connector
B-34.
D
Measure the voltage at the
engine-ECU terminal.
D
Ignition switch: ON
D
Voltage between terminal 85 and
earth
OK:
Altitude 0 m: 3.7 - 4.3 V
Altitude 1,200 m:
3.2 - 3.8 V
NG
Check the following connector:
B-34
NG
Repair
OK
Check the trouble symptoms.
OK
Check the following connector:
B-34
NG
Repair
NG
Replace the engine-ECU.