Dtc P0340 (Dtc No.15) Camshaft Position (Cmp) Sensor Circuit Malfunction - Suzuki Jimny Service Manual

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6-82 ENGINE GENERAL INFORMATION AND DIAGNOSIS

DTC P0340 (DTC No.15) Camshaft Position (CMP) Sensor Circuit Malfunction

CIRCUIT DESCRIPTION

DTC DETECTING CONDITION

• The number of CMP sensor signal pulses is incor-

rect during 8 revolution of crankshaft.

Connect oscilloscope between terminals E19-11 of ECM connector connected to ECM and body ground and

check CMP sensor signal.

1. No.1 cylinder

2. No.2 cylinder

DTC CONFIRMATION PROCEDURE

1) Clear DTC.

2) Start engine and keep it at idle for 1 min.

3) Select "DTC" mode on scan tool and check DTC.

3. No.3 cylinder

[A] : Oscilloscope Waveforms

4. No.4 cylinder

[B] : Waveforms at specified idle speed

POSSIBLE CAUSE

• CMP sensor circuit open or short.

• Signal rotor teeth damaged.

• CMP sensor malfunction, foreign material being

attached or improper installation.

• ECM malfunction.

• CMP sensor phase lag.

[C] : CKP sensor waveform

[D] : CMP sensor waveform

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