Toyota 2GR-FE Manual page 246

ES–90
OK
Tester Operation
OCV OFF
OCV ON
NG
2
INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY
ES
NG
3
CHECK HARNESS AND CONNECTOR (OCV - ECM)
Wire Harness Side Front View:
OCV Connector
C43
C47
ECM Connector
C55
OC1-
OC2-
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
Engine idles roughly or stalls (soon after OCV switched from OFF to ON)
A095415E03
OC1+
OC2+
A106380E13
Specified Condition
Normal engine speed
OK
CHECK FOR INTERMITTENT PROBLEMS
(See page ES-33)
(a) Disconnect the C43 or C47 OCV connector.
(b) Measure the resistance between the terminals of the
OCV.
Standard resistance
Tester Connection
1 - 2
(c) Reconnect the OCV connector.
OK
REPLACE CAMSHAFT TIMING OIL
CONTROL VALVE ASSEMBLY (See page
481)
(a) Disconnect the C43 or C47 OCV connector.
(b) Disconnect the C55 ECM connector.
(c) Measure the resistance between the terminals.
Standard resistance (Check for open)
Tester Connection
OC1+ (C55-58) - C43-1
OC1- (C55-57) - C43-2
OC2+ (C55-52) - C47-1
OC2- (C55-51) - C47-2
Standard resistance (Check for short)
Tester Connection
OC1+ (C55-58) or C43-1 - Body ground
OC1- (C55-57) or C43-2 - Body ground
OC2+ (C55-52) or C47-1 - Body ground
OC2- (C55-51) or C47-2 - Body ground
(d) Reconnect the OCV connector.
(e) Reconnect the ECM connector.
NG
REPAIR OR REPLACE HARNESS OR
CONNECTOR
Condition Specified Condition
6.9 to 7.9 Ω
20°C (68°F)
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-