Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 378

Code No.22 Crank angle sensor system
Range of check
Engine: During cranking
Set conditions
Sensor output voltage does not change for 4 seconds (no pulse signal is
being input).
Measure at the crank angle sensor con-
nector A-94.
Connect the connector
(Use the test harness
MD998478)
Voltage between 2 (black clip)
and earth
(Engine: Cranking)
OK: 0 – 4.0 V
Voltage between 2 (black clip)
and earth
(Engine: Idling)
OK: 1.5 – 2.5 V
OK
Replace the engine-ECU.
GDI –
Troubleshooting
NG
Measure at the crank angle sensor con-
nector A-94.
Disconnect the connector, and
measure at the harness side.
(1) Voltage between 3 and earth
(Ignition switch: ON)
OK: System voltage
(2) Voltage between 2 and earth
(Ignition switch: ON)
OK: 4.8 – 5.2 V
(3) Continuity between 1 and earth
OK: Continuity
OK
Check the following connector:
A-94
OK
Check trouble symptom.
NG
Replace the crank angle sensor.
Probable cause
Malfunction of the crank angle sensor
Open circuit or short-circuited harness wire of the
crank angle sensor circuit
Malfunction of the engine-ECU
(1) NG
Check the harness wire between the
crank angle sensor and the engine con-
trol relay, and repair if necessary.
(2) NG
Check the following connector:
B-31
(3) NG
Check trouble symptom.
Check the harness wire between the
engine-ECU and the crank angle sen-
sor.
NG
Repair
Replace the engine-ECU.
Check the harness wire between the
crank angle sensor and the earth, and
repair if necessary.
13A-19
OK
NG
Repair
NG
OK
NG
Repair