Description
The crankshaft position sensor (POS) is located on the oil pan facing the gear teeth (cogs) of the signal plate. It detects the fluctuation of the engine revolution.
The sensor consists of a permanent magnet and Hall IC.
When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change.
The changing gap causes the magnetic field near the sensor to change.
Due to the changing magnetic field, the voltage from the sensor changes.
The ECM receives the voltage signal and detects the fluctuation of the engine revolution.
ECM receives the signals as shown in the figure.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10.5 V with ignition switch ON.
2.PERFORM DTC CONFIRMATION PROCEDURE
If engine does not start, crank engine for at least 2 seconds.
Diagnosis Procedure
1.CHECK GROUND CONNECTION
2.CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY CIRCUIT-I
3.CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY CIRCUIT-II
4.CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
5.CHECK COMPONENTS
Check the following.
6.CHECK APP SENSOR
7.REPLACE ACCELERATOR PEDAL ASSEMBLY
8.CHECK CKP SENSOR (POS) GROUND CIRCUIT FOR OPEN AND SHORT
9.CHECK CKP SENSOR (POS) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
10.CHECK CRANKSHAFT POSITION SENSOR (POS)
11.CHECK GEAR TOOTH
Visually check for chipping drive plate gear tooth.
12.CHECK INTERMITTENT INCIDENT
Component Inspection
1.CHECK CRANKSHAFT POSITION SENSOR (POS)-I
2.CHECK CRANKSHAFT POSITION SENSOR (POS)-II
Check resistance crankshaft position sensor (POS) terminals as per the following.
C1101, C1102, C1103, C1104 wheel sensor
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
Start engine and drive vehicle at approximately 21 km/h (13 MPH)
or more for approximately 5 minutes.
Perform self diagnostic result.
Diagnosis Procedure
CAUTION:
Do not check ...
Symptom diagnosis
ADP SYSTEM SYMPTOMS
Symptom Table
SYMPTOM 1
SYMPTOM 2
SYMPTOM 3
SYMPTOM 4
SYMPTOM 5
NORMAL OPERATING CONDITION
Description
The following symptoms are normal operations, and they do not indicate a
malfunction.
...
Power supply and ground circuit
BCM
BCM : Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect BCM.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Che ...