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Engine
Datalink Connector IP12
16
15
14
8
7
6
Anti-theft Module IP25
1
2
Yes
Step 16
Test to confirm.
Next
Step 17
End.
2.2.7.3 Intermittent Fault Check
Note
1. Clear DTC.
2. Carry out simulation tests.
3. Inspect and shake the wiring harnesses, connectors and terminals.
When DTC checks can not identify the fault, the fault occurs only occasionally in use. At this point you should test and confirm all
circuits and components that can possibly lead to the fault. In many cases, carrying out the basic checks flow chart shown in the
following can quickly and efficiently identify the Repair the faulty part. especially for harness connector poor contact.
Fault Definition: The fault currently does not appear, but the historical record indicates that the fault has appeared before. Or a
customer reported the fault and had it repaired, but because the fault is not relevant to the DTC code, the fault symptoms do not
appear.
Diagnostic Steps:
Step 1
Is the battery voltage normal?
13
12
11
9
10
5
4
3
2
1
3
5
7
4
6
8
FE02-5002b
Control System JL4G18-D
(a)
Disconnect engine immobilizer control module IP25 wiring
harness connector.
(b)
Test the terminal continuity using an ohmmeter.
Connecting Multimeter
IP12(7) - IP25(7)
(c)
Reconnect the engine immobilizer control module IP25 wiring
harness connector.
Normal?
Repair or replace the wiring harness
No
connector.
(a)
Turn the ignition switch to "OFF" position.
(b)
Measure the battery voltage with a multimeter.
EC718/EC718RV EC715/EC715RV 10/2009
2-35
Standard Value
Less than 1 Ω
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