DTC B10D3:23 [ADVANCED KEYLESS AND START SYSTEM]

id0902e1388200

Description

• The request switch (RF) ON signal is detected for 2 min or more while a vehicle speed signal of 5 km/h {3 mph} or more is input

Possible Causes

• Outer handle (RF) connector or terminals malfunction

• Request switch (RF) malfunction

• Keyless control module connector or terminals malfunction

• Short to ground in wiring harness between outer handle (RF) terminal A and keyless control module terminal 3U

• Keyless control module malfunction

System Wiring Diagram

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Diagnostic Procedure

Step

Inspection

Action

1

INSPECT OUTER HANDLE (RF) CONNECTOR AND TERMINALS

•  Turn the ignition switch to the LOCK position.

•  Disconnect the negative battery cable.

•  Disconnect the outer handle (RF) connector.

•  Inspect the connector and terminals (corrosion, damage, pin disconnection).

•  Is there any malfunction?

Yes

Repair or replace the connector or terminals, then go to Step 5.

No

Go to the next step.

2

INSPECT REQUEST SWITCH (RF)

•  Inspect the request switch (RF).
(See REQUEST SWITCH INSPECTION [ADVANCED KEYLESS AND START SYSTEM].)

•  Is there any malfunction?

Yes

Replace the request switch (RF), then go to Step 5.

(See REQUEST SWITCH REMOVAL/INSTALLATION [ADVANCED KEYLESS AND START SYSTEM].)

No

Go to the next step.

3

INSPECT KEYLESS CONTROL MODULE CONNECTOR AND TERMINALS

•  Disconnect the keyless control module connector.

•  Inspect the connector and terminals (corrosion, damage, pin disconnection).

•  Is there any malfunction?

Yes

Repair or replace the connector or terminals, then go to Step 5.

No

Go to the next step.

4

INSPECT REQUEST SWITCH (RF) CIRCUIT FOR SHORT TO GROUND

•  Verify that the outer handle (RF) and keyless control module connectors are disconnected.

•  Inspect for continuity between outer handle (RF) terminal A (wiring harness-side) and body ground.

•  Is there continuity?

Yes

Repair or replace the wiring harness for a possible short to ground, then go to the next step.

No

Go to the next step.

5

VERIFY TROUBLESHOOTING COMPLETED

•  Make sure to reconnect all disconnected connectors.

•  Reconnect the negative battery cable.

•  Clear the DTCs using the M-MDS.
(See CLEARING DTC [ADVANCED KEYLESS AND START SYSTEM].)

•  Perform the keyless control module DTC inspection using the M-MDS.
(See DTC INSPECTION [ADVANCED KEYLESS AND START SYSTEM].)

•  Is the same DTC present?

Yes

Repeat the inspection from Step 1.

•  If the malfunction recurs, replace the keyless control module.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS AND START SYSTEM].)

Go to the next step.

No

Go to the next step.

6

VERIFY THAT NO OTHER DTCs ARE PRESENT

•  Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [ADVANCED KEYLESS AND START SYSTEM].)

No

DTC troubleshooting completed.

Step	Inspection		Action
1	INSPECT OUTER HANDLE (RF) CONNECTOR AND TERMINALS • Turn the ignition switch to the LOCK position. • Disconnect the negative battery cable. • Disconnect the outer handle (RF) connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 5.
1		No	Go to the next step.
2	INSPECT REQUEST SWITCH (RF) • Inspect the request switch (RF). (See REQUEST SWITCH INSPECTION [ADVANCED KEYLESS AND START SYSTEM].) • Is there any malfunction?	Yes	Replace the request switch (RF), then go to Step 5. (See REQUEST SWITCH REMOVAL/INSTALLATION [ADVANCED KEYLESS AND START SYSTEM].)
2		No	Go to the next step.
3	INSPECT KEYLESS CONTROL MODULE CONNECTOR AND TERMINALS • Disconnect the keyless control module connector. • Inspect the connector and terminals (corrosion, damage, pin disconnection). • Is there any malfunction?	Yes	Repair or replace the connector or terminals, then go to Step 5.
3		No	Go to the next step.
4	INSPECT REQUEST SWITCH (RF) CIRCUIT FOR SHORT TO GROUND • Verify that the outer handle (RF) and keyless control module connectors are disconnected. • Inspect for continuity between outer handle (RF) terminal A (wiring harness-side) and body ground. • Is there continuity?	Yes	Repair or replace the wiring harness for a possible short to ground, then go to the next step.
4		No	Go to the next step.
5	VERIFY TROUBLESHOOTING COMPLETED • Make sure to reconnect all disconnected connectors. • Reconnect the negative battery cable. • Clear the DTCs using the M-MDS. (See CLEARING DTC [ADVANCED KEYLESS AND START SYSTEM].) • Perform the keyless control module DTC inspection using the M-MDS. (See DTC INSPECTION [ADVANCED KEYLESS AND START SYSTEM].) • Is the same DTC present?	Yes	Repeat the inspection from Step 1. • If the malfunction recurs, replace the keyless control module. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS AND START SYSTEM].) Go to the next step.
5		No	Go to the next step.
6	VERIFY THAT NO OTHER DTCs ARE PRESENT • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [ADVANCED KEYLESS AND START SYSTEM].)
6		No	DTC troubleshooting completed.