Suzuki carry van with 1.3 ltr motor , has been diaganosed with – JustAnswer

13 Jan 2015 | Author: | Comments Off on Suzuki carry van with 1.3 ltr motor , has been diaganosed with – JustAnswer

Resolved Question:

Expert: Jim Chill replied 3 years ago.

Hello, and thank you for using Ju

DTC P0340: CAMSHAFT POSITION (CMP) SENSOR CIRCUIT MALFUNCTION (ESTEEM)

NOTE:Diagnostic information for Swift is not available.

NOTE:A no-start condition resulting from a faulty starter motor may set DTC P0340. If starter motor does not operate and DTC P0340 is set, check starter circuit before proceeding with test. If DTC P1500 and DTC P0340 are set together, diagnose DTC P1500 first.

Turn ignition off. Disconnect CMP sensor harness connector. Turn ignition on. Measure voltage between ground and CMP sensor harness connector terminal No. 1 (Red/Black wire).

If reading is 10-14 volts, go to next step. If reading is not 10-14 volts, turn ignition off. Check Red/Black wire between ignition switch and CMP sensor for an open, short, or poor connection. Repair as necessary and retest system.

If wiring and connector are okay, go to next step.

With ignition on, measure voltage between ground and CMP sensor harness connector terminal No. 2 (Black/White wire). If reading is 4-5 volts, go to next step. If reading is not 4-5 volts, turn ignition off.

Check for a poor connection at CMP sensor. If connection is okay, disconnect PCM 16-pin harness connector B. Check for a poor connection at PCM 16-pin harness connector terminal No. 2. If a poor connection was found, repair and retest system. If connections are okay, check Black/White wire between PCM and CMP sensor for an open or short.

Repair as necessary. If wires are okay, replace PCM. Retest system.

Turn ignition off. Disconnect PCM 26-pin harness connector A. Check continuity of Black wire between PCM 26-pin harness connector A terminal No. 1 and CMP sensor. If no continuity exists, check Black wire for an open or poor connection, and retest system. If continuity exists, remove CMP sensor and check for any metal particles on end face of sensor.

Remove particles if any, and retest system. If no particles are found, go to next step.

Connect CMP and PCM harness connectors. Turn ignition on. Using a voltmeter, backprobe PCM 16-pin harness connector B terminal No. 2 while passing magnetic substance (iron) across end of CMP sensor. While maintaining about .03 (.76 mm) air gap, voltage should toggle from 0-5 volts.

If reading is not as specified, replace CMP sensor and retest system. If reading is as specified, check signal rotor for damage or foreign material. Clean rotor teeth or replace CMP sensor as necessary.

Retest system. If rotor teeth and CMP sensor appear okay, problem is intermittent or due to a faulty PCM.

st Answer. Here is the diagnoses procedure for code P0340 per Mitchell Manual. Jim

PS Manual states that the sensor is located on the RH side of the engine and no diagram was available.

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