My suzuki apv start crank after changing a new battery..camshaft n crankshaft sensor also replace new..but still cant start the engine..is someone know how to fix it?

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Crankshaft position sensor location - Colorado Fans

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Dec 16, 2009 - Hey everyone.. do ya know where the crankshaft position sensor is located on our engines? It would be a big help if someone could point me ...

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Only has one crankshaft position sensor ,an cam sensors . To change the crank sensor u would have to pull the starter ,located above starter .
Camshaft Position Sensor Replacement - Intake Camshaft Position Sensor Replacement - Exhaust
After a crank sensor replacement a
Crankshaft Position System Variation Learn has to be done !
Important: The crankshaft position (CKP) system variation learn procedure is required when the following service procedures have been performed, regardless of whether DTC P0315 is set:
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Engine replacement

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Engine control module (ECM) replacement

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Crankshaft damper replacement

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Crankshaft replacement

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CKP sensor replacement

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Any engine repairs which disturb the crankshaft to CKP sensor relationship

Important: The scan tool monitors certain component signals to determine if all the conditions are met to continue with the CKP system variation learn procedure. The scan tool only displays the condition that inhibits the procedure. The scan tool monitors the following components:
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CKP sensor activity--If there is a CKP sensor condition, refer to the applicable DTC that set.

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Camshaft position (CMP) signal activity--If there is a CMP signal condition, refer to the applicable DTC that set.

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Engine coolant temperature (ECT)--If the engine coolant temperature is not warm enough, idle the engine until the engine coolant temperature reaches the correct temperature.

This just happened to my Dad's 1998 GMC Safari...

Firstly...

Check the hard vacuum line as previously noted by others.
If that's ok, then take off the intake pipe and spray brake clean into the throttle body while trying to crank it.

If it starts.. then you have a fuel related issue, if it doesn't start then you have an electrical related issue.

Our van did not start after trying to use brake clean.

Take off the console inside the vehicle's cab and get at the distributor.

Usually people noted that the ICM (ignition control module, inside the distributor) was the main issue here, but on our van, the distributor and wires looked brand new so it was probably recently changed (we got this van 5 months ago), so I assumed the spark plugs were also changed at the same time.

We unplugged the connection from the coil to the distributor, tried to crank it, and no spark was being generated, boom, got a new coil and starts up fine.

Just takes a bit of trial and error.

Do you know what Camshaft Actuator System is ?
The standard compression pressure is 1,400 kPa (203 psi).
The camshaft position (CMP) actuator system enables the powertrain control module (PCM) to change camshaft timing while the engine is running. The CMP actuator assembly (5) varies camshaft position in response to directional changes in oil pressure. The CMP actuator solenoid valve controls the oil pressure that is applied to advance or retard the camshaft. Modifying camshaft timing under changing engine demand provides better balance between the following performance concerns:
• Engine power output
• Fuel economy
• Lower tailpipe emissions
The CMP actuator solenoid valve (3) is controlled by the PCM. The crankshaft position (CKP) sensor (4) and the CMP sensor (1) are used to monitor changes in camshaft position. The PCM uses information from the following sensors in order to calculate the desired camshaft position:
• The engine coolant temperature (ECT) sensor
• The mass air flow (MAF) sensor
• The throttle position (TP) sensor
• The vehicle speed sensor (VSS)

This mite be something to look at , Is cam timing advanced or retarded . The ) CMP Actuator Assembly !

Hello it is not easy to use a computer with a 4 year old constantly trying to get your attention.Anyhow i said disconnect your battery wait 5 minutes to reboot the computer i have gone through your situation a dozen times if it doesn't start it should trip your check engine light and you will be able to scan and retrieve keep me posted.John

you dont specify what make,the crank sensor sends refrence to the cam,coil before they will work they need pulse

Changing the crank sensor is a guess.
It may be the problem, but throwing parts at it can be expensive.
First, verify if you have spark and/or fuel, then go from there.

No-Start Diagnosis
The diagnostic procedure for EI (electronic ignition) systems varies depending on the vehicle make and model year. Always follow the procedure recommended in the vehicle manufacturer's service manual.
The following procedure is based on Chrysler EI systems. The crankshaft timing sensor and camshaft reference sensor in these systems are modified Hall-effect switches.
If a crank or cam sensor fails, the engine will not start. both of these sensor circuits can be checked with a voltmeter or lab scope.
If the sensors are receiving the correct amount of voltage and have good low-resistance ground circuits, their output should be a pulsing digital signal or voltmeter reading while the engine is cranking.
If any of these conditions do not exist, the circuit needs to be repaired or the sensor needs to be replaced. When the engine fails to start, follow these steps:

1. Check for fault codes 11 and 43.
   • Code 11, "Ignition Reference Signal," could be caused by a defective camshaft reference signal or crankshaft timing sensor signal.
   • Code 43 is caused by low primary current in coil number 1, 2 or 3.
2. With the engine cranking, check the voltage from the orange wire to ground on the crankshaft timing sensor and the camshaft reference sensor. Crankshaft timing and camshaft reference sensor terminals.
   • Over 7V is satisfactory.
   • If the voltage is less than specified, repeat the test with the voltmeter connected from PCM (powertrain control module) terminal 7 to ground.
   • If the voltage is satisfactory at terminal 7 but low at the sensor orange wire, repair the open circuit or high resistance in the orange wire.
   • If the voltage is low at terminal 7, the PCM may need replacement.
     • Be sure 12V are supplied to the PCM terminal 3 with the ignition switch off or on, and 12 V must be supplied to PCM terminal 9 with the ignition switch on.
     • Check PCM ground connections on terminals 11 and 12 before PCM replacement.
3. With the ignition switch on, check the voltage drop across the ground circuit (black/light blue wire) on the crankshaft timing sensor and the camshaft reference sensor.
   • A reading below 0.2V is satisfactory.

NOTE When using a digital voltmeter to check a crankshaft or camshaft sensor signal, crank the engine a very small amount at a time and observe the voltmeter. The voltmeter reading should cycle from almost 0 volts to a highter voltage of about 5 volts. Since digital voltmeters do not react instantly, it is difficult to see the change in voltmeter reading if the engine is cranked continually.

1. If the readings in the previous two steps are satisfactory, connect a lab scope or digital voltmeter from the gray/black wire on the crankshaft timing sensor and the tan/yellow wire on the camshaft reference sensor to ground. Lab scope patterns from the camshaft and crankshaft position sensors.
   • When the engine is cranking, a digital pattern should be displayed or the voltmeter should cycle between 0 and 5 volts.
   • If the voltage does not cycle, sensor replacement is required.
   • Each sensor voltage signal should cycle from low voltage to high voltage as the engine is cranked.

A no-start condition can occur if the PCM "locks up."

• In step 2 above, if 0 volts is indicated the PCM may be faulty or it may be locked up.
• If the PCM is locked up it will not store a fault code for the reason.
• Basically, the PCM will lock up when it goes into a safeguard routine if the 9-volt or 5-volt reference voltage shorts to ground. This shuts down the PCM to protect it. Since it shuts down, no DTCs (Diagnostic trouble code) are stored.
• The engine will not start as long as the ground is present. An intermittent ground will cause the engine to stop running.
• Attempting to restart the engine without cycling the ignition switch to the full LOCK position will not start the engine, even if the ground is lifted.
  • Cycle the ignition switch to the LOCK position and wait about 5 to 10 seconds.
  • If the ground is lifted, the PCM will reset and the engine will start and run until the ground occurs again.
• On 1996 and new SBEC III and JTEC engine controllers, there are two 5-volt reference signals. The sensors that require 5 volts are separated, thus If this signal shorts to ground the engine will still stop running, but for the first time a DTC can be set.
• Also note, if the 9-volt reference voltage is opened, there will be no DTC stored for the crankshaft or camshaft positions sensors. With an open circuit the PCM cannot tell if the engine is cranking or not. The diagnostic routing does not begin until the PCM senses engine cranking.

Is the ignition coil good (primary and secondary coil resistance alright)? Did the ignition unit (IGBT) passed the 3V battery test? If so, you may have an ECM problem.