Toyota Camry Manual page 1311

DI–284
INSPECTION PROCEDURE
HINT:
D
DTC P0325 is for the right bank knock sensor circuit. DTC P0330 is for the left bank knock sensor cir-
cuit.
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 Connect OBD II scan tool or TOYOTA hand–held tester, and check knock sensor
circuit.
EC1
Knock Sensor
1
1 1
1
2 2
Male
Female
Connector
Connector
EC1
DIAGNOSTICS
PREPARATION:
(a) Connect the OBD II scan tool or TOYOTA hand–held tes-
ECM
ter to the DLC3.
(b) Disconnect the wire to wire connector EC1.
27
KNKR
(c) Connect the terminals of the disconnected EC1 male con-
E6
nector and EC1 female as follows.
28
KNKL
E6
(d) Turn the ignition switch ON and push the OBD II scan tool
or TOYOTA hand–held tester main switch ON.
(e) After the engine is warmed up, perform quick racing to
4,000 rpm three times.
CHECK:
Check the DTC.
RESULT:
Type I
A00304
Type II
– ENGINE (1MZ–FE)
Male connector
Terminal 1
Terminal 2
DTC same as when vehicle brought in.
P0325
DTC different to when vehicle brought in.
P0325
Author :
Female connector
Terminal 2
Terminal 1
P0325 or P0330 P0330
P0330 or P0330 P0325
Date :
519