ENGINE (J05E)/TROUBLESHOOTING
2–259
1.
Set the starter key to the "LOCK" position.
2.
Connect the signal check harness to the engine ECU. (Do not con-
nect harness to the engine ECU.)
3.
Use the electrical tester to measure the resistance between the
terminals of the engine ECU and ground.
NO
YES
1.
Connect the engine coolant temperature sensor 2 connector.
2.
Use the electrical tester to measure the resistance between the
terminals of the engine ECU (signal check harness).
NO
YES
11
Inspect for short-circuit of the engine coolant temperature sensor 2 harness
D
E69
E57
SHTS021270300238
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Engine ECU (sig-
nal check har-
ness)
THW2 (E69)
–
Ground
E3 (E57)
–
Ground
Do the measurements meet the standard value?
Go to step 12.
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
12
Inspect disconnection of the engine coolant temperature sensor 2 harness
D
E69
E57
SHTS021270300239
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Engine ECU (sig-
nal check har-
ness)
THW2 (E69)
–
E3 (E57)
20
C {68
F}:
2.59
–
2.32 k
80
C {176
F}:
0.326
–
0.310 k
Do the measurements meet the standard value?
Go to step 13.
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.