GDI ± Troubleshooting
13A-20
Code No.22 Crank angle sensor system Probable cause
Range of check
D Engine: During cranking
Set conditions
D Sensor output voltage does not change for 4 seconds (no pulse signal is
being input).
D Malfunction of the crank angle sensor
D Open circuit or short-circuited harness wire of the
crank angle sensor circuit
D Malfunction of the engine-ECU
NG
Repair
NG
Repair
OK
Replace the engine-ECU.
(3) NG
Check the harness wire between the
crank angle sensor and the earth, and
repair if necessary.
NG
Repair
NG
Replace the crank angle sensor.
OK
Replace the engine-ECU.
OK
Check trouble symptom.
NG
Check the harness wire between the
engine-ECU and the crank angle sen-
sor.
OK
Check trouble symptom.
(2) NG
Check the following connector:
C-18
OK
Check the following connector:
A-77
NG
Measure at the crank angle sensor con-
nector A-77.
D Disconnect the connector, and
measure at the harness side.
(1) Voltage between 2 and earth
(Ignition switch: ON)
OK: System voltage
(2) Voltage between 3 and earth
(Ignition switch: ON)
OK: 4.8 ± 5.2 V
(3) Continuity between 1 and earth
OK: Continuity
(1) NG
Check the harness wire between the
crank angle sensor and the engine con-
trol relay, and repair if necessary.
Check the following connector:
A-36
OK
Repair
NG
Check trouble symptom.
NG
Measure at the crank angle sensor con-
nector A-77.
D Connect the connector
(Use the test harness
MB991658)
D Voltage between 3 (black clip)
and earth
(Engine: Cranking)
OK: 0.4 ± 4.0 V
D Voltage between 3 (black clip)
and earth
(Engine: Idling)
OK: 1.5 ± 2.5 V
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