2. Conditions For Setting DTC and The Fault Location:
DTC
Code
DTC Detection Strategy
Conditions For Setting The DTC
(Control Strategy)
Fault Locations
P0641
Hardware Circuit Malfunction
-
1. Electronic Throttle Body
2. Electronic Throttle Circuit
3. ECM
P0651
Hardware Circuit Malfunction
-
3. Schematic:
4. Diagnostic Steps:
Step 1
Check ETC harness connector EO27 terminals A and D.
A
B
C
D
E
F
G
H
Electronic Throttle Body Harness Connector EO27
FE02-5238b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect ETC harness connector EO27.
(c)
Turn the ignition switch to "ON" position.
(d)
Measure resistance between EO27 terminal A and a reliable
ground.
(e)
Measure voltage between EO27 terminal D and a reliable
ground.
Results:
Test Items
Standard Value
Resistance Between EO27 (A) and A
Reliable Ground
Less than 3 Ω
Voltage Between EO27 (D) and A Reliable
Ground
4.8-5.2 V
Standard values?
No
Circuit malfunction, repair circuit.
Yes
Step 2
Replace the electronic throttle body.
(a)
Refer to "Electronic Throttle Body Replacement".
Next
Step 3
Use scan tool to confirm whether the DTC code is stored again.
(a)
Connect scan tool to the datalink connector.
(b)
Turn the ignition switch to "ON" position.
(c)
Clear DTC code.
(d)
Start and run the engine at idle speed to warm up the engine
for at least 5 min.
(e)
Road test the vehicle for at least 10 min.
2-762
Control System JL4G15-D
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
Page 4: ......
Page 330: ...Next Step 10 End 2 248 Fuel System JL4G18 D Engine EC718 EC718RV EC715 EC715RV 10 2009 ...
Page 1164: ......
Page 2008: ......