Toyota Camry Manual page 1128

INSPECTION PROCEDURE
HINT:
D
Perform troubleshooting of DTC 335 first. If notrouble is found, troubleshoot the following mechanical
system.
D
Read freeze frame data using TOYOTA hand–held tester or OBD II scan tool. Because freeze frame
records the engine conditions when the malfunction is detected, when troubleshooting it is useful for
determining whether the vehicle was running or stopped, the engine warmed up or not, the air–fuel
ratio lean or rich, etc. at the time of the malfunction.
1 Check resistance of crankshaft position sensor (See page IG–1).
G and NE Signal Waveforms
G
NE
20 msec./Division (Idling)
G
NE
10 msec./Division (Idling)
A01991
A01992
OK
2 Check for open and short in harness and connector between ECM and
crankshaft position sensor (See page IN–31).
OK
DIAGNOSTICS –
Reference: INSPECTION USING OSCILLOSCOPE
During cranking or idling, check between terminals G and G–,
5 V/
NE and NE– of the ECM
Division
HINT:
The correct waveforms are as shown.
5 V/
Division
A02359
NG
NG
ENGINE (5S–FE)
Replace crankshaft position sensor.
Repair or replace harness or connector.
Author :
DI–101
Date :
336