KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC B2784 ANTENNA CIRCUIT (PUSH ENGINE SWITCH)
DTC detecting condition:
When open or short circuit occurs in the antenna coil.
Trouble symptom:
The keyless access function may not be operable.
CAUTION:
For replacement procedure of keyless access CM and steering lock CM, refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.
Wiring diagram:
Immobilizer system Immobilizer System > WIRING DIAGRAM">

| STEP | CHECK | YES | NO |
1.CHECK STEERING LOCK CM.
1) Disconnect the push button ignition switch connector.
2) Disconnect the keyless access CM connector.
3) Using the tester, measure the resistance between terminals.
Connector & terminal
(i150) No. 14 — (B574) No. 1:
(i150) No. 9 — (B574) No. 9:
(i150) No. 10 — (B574) No. 7:
(i150) No. 8 — (B574) No. 24:
Is the resistance less than 1 ??
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2784 ANTENNA CIRCUIT (PUSH ENGINE SWITCH)">Go to Step 2.
Repair or replace the open circuit of harness.
2.CHECK HARNESS.
Using the tester, measure the resistance between terminals.
Connector & terminal
(i150) No. 14 — Chassis ground:
(i150) No. 9 — Chassis ground:
(i150) No. 10 — Chassis ground:
Is the resistance 10 k? or more?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2784 ANTENNA CIRCUIT (PUSH ENGINE SWITCH)">Go to Step 3.
Repair or replace the short circuit of the harness.
3.CHECK PUSH BUTTON IGNITION SWITCH.
1) Replace the push button ignition switch. Push Button Ignition Switch">
2) Using the Subaru Select Monitor, clear the memory. Clear Memory Mode">
3) Read the DTC using the Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">
Is DTC B2784 displayed?
Replace the keyless access CM. Keyless Access CM">
Malfunction occurred in the push button ignition switch.
Dtc b2782 steering lock drive request signal correlation
Dtc b2785 lin communicationTips for operating the audio/visual system
CAUTION
To avoid damage to the audio/visual
system:
Be careful not to spill beverages
over the audio/visual system.
Do not put anything other than an
appropriate disc into the disc
slot.
NOTE
The use of a cell phone inside or near
the vehicle may cause a noise from the
speakers o ...
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