Toyota 2GR-FE Manual page 385

4
INSPECT KNOCK SENSOR
Wire Harness Side:
CV1
Male
NG
5
CHECK HARNESS AND CONNECTOR (CONNECTOR - KNOCK SENSOR)
Wire Harness Side:
CV1
Male
Knock Sensor Connector
V2
Bank 1
V1
Bank 2
OK
REPLACE KNOCK SENSOR (See page ES-510)
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Disconnect the CV1 connector.
(b) Measure the resistance according to the value(s) in the
table below.
Standard resistance
CV1 male connector 1 - 2
CV1 male connector 3- 4
(c) Reconnect the CV1 connector.
G042949E02
OK
HINT:
• If DTC P0327 or P0328 has changed to P0332 or P0333,
check the knock sensor circuit on the right bank side.
• If DTC P0332 or P0333 has changed to P0327 or P0328,
check the knock sensor circuit on the left bank side.
(a) Disconnect the CV1 connector.
(b) Disconnect the V2 and V1 knock sensor connectors.
(c) Measure the resistance according to the value(s) in the
table below.
Standard resistance (Check for open)
Standard resistance (Check for short)
CV1 male connector 2 or V2-2 - Body ground
CV1 male connector 1 or V2-1 - Body ground
CV1 male connector 4 or V1-2 - Body ground
CV1 male connector 3 or V1-1 - Body ground
(d) Reconnect the CV1 connector.
(e) Reconnect the knock sensor connectors.
A135025E01
NG
Tester Connection
CHECK FOR INTERMITTENT PROBLEMS
Tester Connection
CV1 male connector 2 - V2-2
CV1 male connector 1 - V2-1
CV1 male connector 4 - V1-2
CV1 male connector 3 - V1-1
Tester Connection
REPAIR OR REPLACE HARNESS OR
CONNECTOR
ES–229
Specified Condition
120 to 280 kΩ
120 to 280 kΩ
Specified Condition
Below 1 Ω
Below 1 Ω
Below 1 Ω
Below 1 Ω
Specified Condition
10 kΩ or higher
10 kΩ or higher
10 kΩ or higher
10 kΩ or higher
ES