Suzuki GA413, Руководство по обслуживанию

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6-74 ENGINE GENERAL INFORMATION AND DIAGNOSIS
GA413
supple
INSPECTION
STEP ACTION YES NO
1 Was “ENGINE DIAG. FLOW TABLE” performed? Go to Step 2. Go to “ENGINE DIAG.
FLOW TABLE”.
2 Check CMP Sensor and connector for proper installa-
tion.
Is CMP sensor installed properly and connector
connected securely? Go to Step 3. Correct.
3 Check Wire Harness and Connection.
1) Disconnect connector from CMP sensor.
2) Check for proper connection to CMP sensor at
each terminal.
3) If OK, turn ignition switch ON and check for voltage
at each terminal of sensor connector disconnected.
See Fig. 1.
Terminal “B+” : 10 – 14 V
Terminal “Vout” : 4 – 5 V
Terminal “GND” : – 0 V
Is check result satisfactory?
Go to Step 5. Go to Step 4.
4 Was terminal “Vout” voltage out of specification in
Step 3 check? “BRN/RED” wire open,
short or poor connec-
tion.
If wire and connection
are OK, substitute a
known-good ECM and
recheck. “BLK/RED” or “BLK”
wire open, short or
poor connection.
5 Check Ground Circuit for Open.
1) Turn ignition switch OFF.
2) Check for continuity between “GND” terminal of
CMP sensor connector and engine ground.
Is continuity indicated?
Go to Step 6. “BLK” wire open or
poor ground connec-
tion.
6 Check signal rotor for the following using mirror.
See Fig. 2.
Damage
No foreign material attached
Is it in good condition?
Intermittent trouble or
faulty ECM.
Faulty CMP sensor.
Check for intermittent
referring to “Intermit-
tent and Poor Connec-
tion” in Section 0A. Clean rotor teeth.
Fig. 1 for Step 3 Fig. 2 for Step 7
Mirror