NO.2 ADVANCED KEYLESS ENTRY FUNCTION INOPERATIVE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]

id0903z3901600

2

Advanced keyless entry function inoperative

DESCRIPTION

•  Cannot door lock/unlock with request switch

•  Cannot trunk lid/liftgate open with trunk lid/liftgate opener switch

POSSIBLE CAUSE

•  Malfunction in advanced key battery or advanced key

•  Malfunction in the keyless control module.

•  Malfunction in the request switch

•  Open or short circuit in wiring between request switch and keyless control module

•  Malfunction in the keyless receiver.

•  Open or short circuit in wiring between keyless receiver and keyless control module

•  Malfunction in the keyless antenna.

•  Malfunction in the lock link switch.

•  Open circuit in wiring between lock link switch and keyless control module

•  Malfunction in door latch switch or trunk lid/liftgate latch switch

•  Open or short circuit in wiring between trunk lid/liftgate switch and BCM

•  Open or short circuit in wiring between trunk lid/liftgate switch and keyless control module

•  Open or short circuit in wiring harness between door latch switch and BCM

•  Open or short circuit in wiring harness between door latch switch and keyless control module

•  Malfunction in trunk lid/liftgate opener switch

•  Open or short circuit in wiring harness between trunk lid/liftgate opener switch and BCM

•  Open or short circuit in wiring harness between trunk lid/liftgate opener switch and keyless control module

•  Keyless antenna (exterior) malfunction

•  Open or short circuit in wiring harness between keyless antenna (exterior) and keyless control module

•  Malfunction in door lock actuator

•  Open or short circuit in wiring between door lock actuator and BCM

•  Malfunction in the BCM.

•  Poor connection of connector, terminal damage

•  Wrong usage.

Diagnostic procedure

STEP	INSPECTION		ACTION
1	• Retrieve the advanced keyless system DTC using the M-MDS. • Are there DTC displayed?	Yes	Go to the applicable DTC troubleshooting procedures. (See DTC TABLE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
1		No	Go to the next step.
2	• Prepare the followings: ― All doors and trunk lid/liftgate closed ― Switch the ignition to off. (without ACC and ignition to ON) ― Make sure that the advanced key is within the advanced keyless system operative area (within 80 cm {2.6 ft} from front door) ― The auxiliary key is not inserted in the key slot. • Does the advanced keyless system operate properly?	Yes	The system is normal. Explain the advanced keyless system operation.
2		No	Go to the next step.
3	• Confirm the problem using another advanced key. • Is the same problem remained?	Yes	Go to Step 5.
3		No	Go to the next step.
4	• Lock and unlock operation using advanced key button that has problem. • Are the lock and unlock operations properly?	Yes	Replace the electrical key. (internal malfunction)
4		No	Replace the electrical key battery, then go to Step 23.
5	• Verify that the trouble occurred condition. • Is the problem occurred lock operation only?	Yes	Go to Step 7
5		No	Go to the next step.
6	• Verify that the trouble occurred condition. • Is the problem occurred unlock operation only?	Yes	Go to Step 13.
6		No	Go to Step 15.
7	• Monitor the following keyless control module PIDs using the M-MDS. ― REQ_SW_R (RF lock request switch) ― REQ_SW_L (LF lock request switch) ― LGATE_L_SW (liftgate request switch) • Are PIDs indicated properly? Specification Switch pushed: ON Other: OFF	Yes	Go to Step 11.
7		No	Go to the next step.
8	• Switch the ignition to off. • Disconnect the keyless control module (30-pin) door handle (incorrect PID value at Step 7) connectors. • Verify continuity between suspect door handle harness-side connector terminal D and GND. • Is there continuity?	Yes	• Repair or replace wiring harness for short to GND circuit. • Then go to Step 23.
8		No	Go to the next step.
9	• Keyless control module and handle switch disconnected. • Verify continuity between door handle connector terminal D and following keyless control module terminal at each harness-side connector. ― Terminal 4O for right-side door handle ― Terminal 4R for left-side door handle ― Terminal 4T for request switch (liftgate) • Is there continuity?	Yes	Go to the next step.
9		No	• Repair or replace for open circuit. • Then go to Step 23.
10	• Handle switch disconnected. • Verify continuity between suspect door handle harness-side connector terminal A and GND. • Is there continuity?	Yes	• Replace suspect door handle. (See FRONT OUTER HANDLE REMOVAL/INSTALLATION.) • Then go to Step 23.
10		No	• Repair or replace wiring harness for open circuit. • Re-tighten the ground wire as necessary. • Then go to Step 23.
11	• Monitor the following BCM PIDs using the M-MDS. ― DRSW_RR (Rear door latch switch (RH)) ― DRSW_LR (Rear door latch switch (LH)) ― DRSW_P (Passenger’s door latch switch) ― DRSW_D (Driver’s door latch switch) ― TR/LG_SW (Trunk lid/liftgate latch switch) • Are PIDs indicated properly?	Yes	• Go to the next step.
11		No	• Inspect suspect door latch switch and wiring harness. (See FRONT DOOR LATCH SWITCH INSPECTION.) (See REAR DOOR LATCH SWITCH INSPECTION.) (See TRUNK LID LATCH SWITCH INSPECTION.) (See LIFTGATE LATCH SWITCH INSPECTION.) • Repair or replace as necessary. • Then go to Step 23.
12	• Measure the voltage at the BCM terminals 5O and 5K while the lock door using the request switch. ― Lock all doors with the advanced key: 1.0 V or less→B+→1.0 V or less (terminal 5O) • Is the voltage as above?	Yes	• Inspect and repair the wiring harness between the BCM and the door lock actuator. • Inspect for door lock actuator. • Then go to Step 23.
12		No	• Replace the BCM. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION [L.H.D.].) (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION [R.H.D.].) • Then go to Step 23.
13	• Measure the voltage at the BCM terminals 5M and 5K while the unlock door using the request switch. ― Unlock driver’s doors with the advanced key:1.0 V or less → B+→ 1.0 V or less (terminal 5M) ― Unlock all doors with the advanced key:1.0 V or less → B+→ 1.0 V or less (terminal 5K) • Is the voltage as above?	Yes	• Inspect and repair the wiring harness between the BCM and the door lock actuator. • Inspect for door lock actuator. • Then go to Step 23.
13		No	Go to the next step.
14	• Monitor the following keyless control module PIDs using the M-MDS. ― LOCK_SW_D (door lock link switch) • Are PIDs indicated properly? Specification Driver's door: LOCK: Lock Driver's door: UNLOCK: Unlock	Yes	Go to the next Step.
14		No	Inspect the door lock link switch, replace it as necessary. • Door lock link switch • Verify continuity between door lock link switch connector terminal J and keyless control module terminal 4U at each harness-side connector
15	• Verify that the trunk lid/liftgate open function. • Is the trunk lid/liftgate open with trunk lid/liftgate opener switch?	Yes	Go to Step 19.
15		No	Go to the next step.
16	• Measure the voltage at the keyless control module terminal 4S. • Is the voltage normal? Specification Trunk lid/liftgate opener switch pressed: 3.0 or more Trunk lid/liftgate opener switch released: 1.0 or less	Yes	Go to Step 21.
16		No	Go to the next step.
17	• Switch the ignition to off. • Disconnect the keyless control module (30-pin) and trunk lid/liftgate opener switch connectors. • Verify continuity between trunk lid/liftgate opener switch harness-side connector terminal A and GND. • Is there continuity?	Yes	• Repair or replace wiring harness for short to GND circuit. • Then go to Step 23.
17		No	Go to the next step.
18	• Keyless control module and opener switch disconnected. • Verify continuity between trunk lid/liftgate opener switch terminal A and keyless control module terminal 4S at each harness-side connector. • Is there continuity?	Yes	• Inspect the trunk lid/liftgate opener switch, replace it as necessary. ― If normal, inspect following parts and repair or replace as necessary. • Trunk lid/liftgate latch and actuator • Open or short circuit in wiring harness between trunk lid/liftgate latch and BCM. • Open or short circuit in wiring harness between trunk lid/liftgate actuator and BCM. • Then go to Step 23.
18		No	• Repair or replace for open circuit. • Then go to Step 23.
19	• Switch the ignition to off. • Disconnect the keyless control module and suspect exterior keyless antenna connector. • Verify continuity between following suspect keyless antenna harness-side connector terminal and GND. ― Door handle terminal B (exterior LH/RH) ― Door handle terminal E (exterior LH/RH) ― Keyless antenna (exterior rear) terminal A ― Keyless antenna (exterior rear) terminal B • Is there continuity?	Yes	Repair or replace for short to GND, then go to Step 23.
19		No	Go to the next step.
20	• Replace the suspect exterior keyless antenna to other keyless antenna (interior rear, other side door handle) temporarily. ― If the symptom is occurring while the front outer handle switch operates, replace to the other side front outer handle with connector is connected. • Verify the malfunction symptom. • Is the symptom solved?	Yes	Replace the suspect exterior keyless antenna, then go to Step 23. (See FRONT OUTER HANDLE REMOVAL/INSTALLATION.) (See KEYLESS ANTENNA REMOVAL/INSTALLATION.)
20		No	Go to the next step.
21	• Switch the ignition to off. • Disconnect the BCM (16-pin) and keyless control module (12-pin) connectors. • Verify continuity between keyless control module harness-side connector terminal 3X and GND. • Is there continuity?	Yes	• Repair or replace wiring harness for short to GND circuit. • Then go to Step 23.
21		No	Go to the next step.
22	• BCM (16-pin) and keyless control module (12-pin) connectors disconnected. • Verify continuity between BCM connector terminal 4K and keyless control module terminal 3X at each harness-side connector. • Is there continuity?	Yes	• Replace the keyless control module. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION.) • Then go to the next step.
22		No	• Repair or replace wiring harness for open circuit. • Then go to the next step.
23	• Does the keyless entry system operate properly?	Yes	Troubleshooting completed. Explain repairs to the customers.
23	• Does the keyless entry system operate properly?	No	Re-inspect the malfunction symptoms, then repeat form Step 1 if malfunction recurs.

2	Advanced keyless entry function inoperative
DESCRIPTION	• Cannot door lock/unlock with request switch • Cannot trunk lid/liftgate open with trunk lid/liftgate opener switch
POSSIBLE CAUSE	• Malfunction in advanced key battery or advanced key • Malfunction in the keyless control module. • Malfunction in the request switch • Open or short circuit in wiring between request switch and keyless control module • Malfunction in the keyless receiver. • Open or short circuit in wiring between keyless receiver and keyless control module • Malfunction in the keyless antenna. • Malfunction in the lock link switch. • Open circuit in wiring between lock link switch and keyless control module • Malfunction in door latch switch or trunk lid/liftgate latch switch • Open or short circuit in wiring between trunk lid/liftgate switch and BCM • Open or short circuit in wiring between trunk lid/liftgate switch and keyless control module • Open or short circuit in wiring harness between door latch switch and BCM • Open or short circuit in wiring harness between door latch switch and keyless control module • Malfunction in trunk lid/liftgate opener switch • Open or short circuit in wiring harness between trunk lid/liftgate opener switch and BCM • Open or short circuit in wiring harness between trunk lid/liftgate opener switch and keyless control module • Keyless antenna (exterior) malfunction • Open or short circuit in wiring harness between keyless antenna (exterior) and keyless control module • Malfunction in door lock actuator • Open or short circuit in wiring between door lock actuator and BCM • Malfunction in the BCM. • Poor connection of connector, terminal damage • Wrong usage.