LIN Communication System

NETWORKING: LIN COMMUNICATION SYSTEM: TERMINALS OF ECU

1. CHECK MAIN BODY ECU AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY





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(a) Check main body ECU.

(1) Turn the ignition switch off.

(2) Remove the main body ECU from the instrument panel junction block assembly Removal.

(3) Measure the resistance and voltage according to the value(s) in the table below.

HINT
The instrument panel junction block assembly connectors must all be connected.





(b) Check instrument panel junction block assembly.





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(1) Disconnect the 2D and 2A instrument panel junction block assembly connectors.

(2) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the harness side.

2. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY





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(a) Check the multiplex network master switch assembly.

(1) Turn the ignition switch off.

(2) Disconnect the H8 multiplex network master switch assembly connector.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the H8 multiplex network master switch assembly connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the multiplex network master switch assembly may have a malfunction.

3. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH





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(a) Check the front power window regulator motor assembly LH.

(1) Turn the ignition switch off.

(2) Disconnect the H1 front power window regulator motor assembly LH connector.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the H1 front power window regulator motor assembly LH connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the front power window regulator motor assembly LH may have a malfunction.

4. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH





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(a) Check the front power window regulator assembly RH.

(1) Turn the ignition switch off.

(2) Disconnect the G1 front power window regulator motor assembly RH connector.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the G1 front power window regulator motor assembly RH connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the front power window regulator motor assembly RH may have a malfunction.

5. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH





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(a) Check the rear power window regulator motor assembly LH.

(1) Turn the ignition switch off.

(2) Disconnect the J7 rear power window regulator motor assembly LH connector.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the J7 rear power window regulator motor assembly LH connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the rear power window regulator motor assembly LH may have a malfunction.

6. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH





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(a) Check the rear power window regulator motor assembly RH.

(1) Turn the ignition switch off.

(2) Disconnect the I7 rear power window regulator motor assembly RH connector.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the I7 rear power window regulator motor assembly RH connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the rear power window regulator motor assembly RH may have a malfunction.

7. CHECK AFS ECU (HEADLIGHT SWIVEL COMPUTER ASSEMBLY) (w/ HID Headlight System)





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(a) Check the AFS ECU (headlight swivel computer assembly).

(1) Turn the ignition switch off.

(2) Disconnect the A45 AFS ECU connector.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnected the A45 AFS ECU (headlight swivel computer assembly) connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, AFS ECU (headlight swivel computer assembly) may have a malfunction.

8. CHECK CERTIFICATION ECU (SMART KEY ECU) (w/ Smart Key System)





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(a) Check the certification ECU (smart key ECU).

(1) Turn the ignition switch off.

(2) Disconnect the D88 certification ECU (smart key ECU) connector.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the D88 certification ECU (smart key ECU) connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the certification ECU (smart key ECU) may have a malfunction.

9. CHECK POWER MANAGEMENT CONTROL ECU





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(a) Check the power management Control ECU.

(1) Turn the ignition switch off.

(2) Disconnect the D89 power management control ECU connector.

(3) Measure the voltage and resistance according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the D89 power management control ECU connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the power management control ECU may have a malfunction.

10. CHECK STEERING LOCK ACTUATOR ASSEMBLY





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(a) Check the steering lock actuator assembly.

(1) Turn the ignition switch off.

(2) Disconnect the D29 steering lock actuator assembly connector.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the D29 steering lock actuator assembly connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the steering lock actuator assembly may have a malfunction.

11. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (A/C ECU)





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(a) Check the air conditioning amplifier assembly.

(1) Turn the ignition switch off.

(2) Disconnect the D75 and D74 air conditioning amplifier assembly connectors.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the D75 and D74 air conditioning amplifier assembly connectors.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the air conditioning amplifier assembly may have a malfunction.

12. CHECK AIR CONDITIONING CONTROL ASSEMBLY





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(a) Check the air conditioning control assembly.

(1) Turn the ignition switch off.

(2) Disconnect the D69 air conditioning control assembly connector.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the D69 air conditioning control assembly connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the air conditioning control assembly may have a malfunction.

13. CHECK NO.2 AIR CONDITIONING CONTROL ASSEMBLY





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(a) Check No. 2 air conditioning control assembly.

(1) Turn the ignition switch off.

(2) Disconnect the T7 No. 2 air conditioning control assembly connector.

(3) Measure the resistance and voltage according to the value(s) in the table below.





HINT
If the result is not as specified, there may be a malfunction on the wire harness side.

(4) Reconnect the T7 No. 2 air conditioning control assembly connector.

(5) Measure the pulse according to the value(s) in the table below.





HINT
If the result is not as specified, the No. 2 air conditioning control assembly may have a malfunction.