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10C-43 Immobilizer Control System: For Diesel Engine Model
Step
7
ICM connector check
1) With the ignition key at OFF position, disconnect ICM
connector.
2) Check for proper connection at all terminals and wires of
ICM connector. Refer to "Intermittent and Poor
Connection Inspection in Section 00".
Is each terminal and wire connection normal?
8
ICM check
1) Check power and ground circuit of ICM referring to
"Inspection of Immobilizer Control Module (ICM) and Its
Circuit: For Diesel Engine Model".
Is power and ground circuit of ICM normal?
DTC B1706: Immobilizer Antenna Error
Wiring Diagram
Refer to "Immobilizer Control System Wiring Circuit Diagram: For Diesel Engine Model".
Detecting Condition and Trouble Area
Detecting Condition
Immobilizer antenna faulty
Troubleshooting
Step
1
Was "Immobilizer Control System Check" performed?
2
ICM check
1) Check power and ground circuit of ICM referring to
"Inspection of Immobilizer Control Module (ICM) and Its
Circuit: For Diesel Engine Model".
Is power and ground circuit of ICM normal?
DTC B1707: IMM EEPROM Error
Detecting Condition and Trouble Area
Detecting Condition
EEPROM in ICM faulty
Troubleshooting
1) Clear DTC(s) referring to "Diagnostic Trouble Code (DTC) Clearance: For Diesel Engine Model".
2) Turn the ignition switch to OFF position.
3) Check if DTC B1707 is still detected referring to "Diagnostic Trouble Code (DTC) Check: For Diesel Engine
Model". If still detected, go to the next step. If not, the troubleshooting is completed.
4) Substitute a known-good ICM and recheck.
Action
Action
Yes
Go to Step 8.
Substitute a known-
good ICM and recheck.
Trouble Area
ICM faulty
Yes
Go to Step 2.
Substitute a known-
good ICM and recheck.
Trouble Area
Internal failure (EEPROM corruption) of ICM
No
Repair poor
connection(s).
Repair power and
ground circuit.
S6JB0AA324023
No
Go to "Immobilizer
Control System Check:
For Diesel Engine
Model".
Repair power and
ground circuit.
S6JB0AA324024
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