NO.1 DOOR CANNOT BE LOCKED/UNLOCKED BY TRANSMITTER (ADVANCED KEY) [ADVANCED KEYLESS ENTRY AND START SYSTEM]

id0903i1011200

1

Door cannot be locked/unlocked by transmitter (advanced key)
POSSIBLE CAUSE
•  Malfunction in transmitter (advanced key) battery or transmitter (advanced key)
•  Malfunction in keyless control module
•  Malfunction in keyless receiver
•  Malfunction in BCM
•  Wrong usage
•  The after-market electrical parts are interfering with the keyless entry system

Diagnostic procedure

STEP

INSPECTION

ACTION
1
•  Attempt to lock/unlock the door with the transmitter (advanced key).
•  Does the operation indicator light (LED) illuminate?
Yes
Go to the next step.
No
Go to Step 10.
2
•  Did the customer activate the transmitter (advanced key) within operative area (Within 1 m {3 ft}from area around vehicle)?
Yes
Go to the next step.
No
The system is normal.
Explain to the customer that the system does not work without the system operative area.
3
•  Did the customer use the keyless entry system in particular area, such as being near TV towers, power plants, power lines, or factories?
Yes
The system is normal.
Area of operation is subject.
Explain effect of outside interference on the transmitter (advanced key) to the customer.
No
Go to the next step.
4
•  Did the customer activate the keyless entry system with all following conditions satisfied?
―  All doors and liftgate closed
―  Mechanical key is not in steering look unit
―  Start knob is at Look position
―  Start knob is not pressed
Yes
Go to the next step.
No
The system is normal. Explain to the customer that the system does not work without these conditions satisfied.
5
•  Are any of the following after-market electrical parts on the vehicle?
―  Cellular phone
―  Parts with built-in microcomputer
―  Remote engine starter
―  TV
―  Other
Yes
Go to the next step.
No
Go to Step 7.
6
•  Disconnect the after-market electrical parts connectors and attempt to lock/unlock the doors with the transmitter (advanced key).
•  Does the keyless entry system work?
Yes
The system is normal. The after-market electrical parts are interfering with the keyless entry system.
No
Go to the next step.
7
•  Is there repair record of the customer's keyless entry system?
Yes
Go to the next step.
No
Go to Step 10.
8
•  Does the malfunction occur after the repair?
Yes
Go to the next step.
No
Go to Step 10.
9
•  Is the malfunction corrected when the ID numbers for all the customer's transmitters are updated?
Yes
System is normal. (Explain to the customer that the malfunction occurred because all the transmitter ID numbers were not updated even though the body control module or a transmitter was replaced in the previous servicing.)
No
Go to the next step.
10
•  Visually inspect the transmitter (advanced key) battery for the following:
―  Battery direction (polarity)
―  Battery type (CR2025)
―  Corrosion, soiling, deformation of battery terminals (plus/minus terminals).
―  Contact malfunction between the battery terminal and battery when battery is inserted
•  Is there any malfunction?
Yes
Battery insertion direction, battery type problem:
•  Properly install the battery or replace the battery with a specified one (CR2025), then go to the next step.
Battery terminal malfunction:
•  Clean corrosion and soiling or repair the terminal, then go to the next step.
No
Go to Step 12.
11
•  Does the keyless entry system operate properly?
Yes
Troubleshooting completed.
No
Go to the next step.
12
Note
•  Use a new monitor battery (normal battery) or one from another vehicle which operates normally.
•  Replace the battery in all the transmitters (advanced key) with a monitor-use battery (normal battery).
•  For each transmitter (advanced key), verify that the transmitter (advanced key) operation indicator light (LED) illuminates when a button is operated.
•  Does operation indicator light (LED) for each transmitter (advanced key) operate?
Yes
Go to the next step.
No
If the operation indicator light (LED) does not illuminate, replace the transmitter (advanced key), then go to Step 24.
13
Note
•  Inspect for all transmitters (advanced key).
•  Inspect while the batteries for all of the transmitters (advanced key) are replaced with monitor-use batteries (normal battery).
•  Verify the operation of keyless entry system using all of the transmitters (advanced key).
•  Does the keyless entry system operate normally?
Yes
Replace the battery, then go to Step 24.
(See ADVANCED KEY BATTERY REPLACEMENT [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
No
Go to the next step.
14
•  Inspect for the keyless receiver installation.
•  Is the bracket securely installed on the keyless receiver?
Yes
Go to the next step.
No
Install the bracket securely, and then go to the next step.
15
•  Turn the ignition switch to the LOCK position.
•  Measure the voltage at keyless receiver terminal A?
•  Is the voltage B+?
Yes
Go to the next step.
No
•  Inspect ROOM 15 A fuse.
•  Inspect and repair the wiring harness between the fuse block and the keyless receiver as necessary.
16
•  Measure the voltage at keyless receiver terminal E?
•  Is the voltage 0 V?
Yes
Go to the next step.
No
•  Inspect and repair the wiring harness between the ground wire and the keyless receiver as necessary.
•  Re-tighten the ground wire as necessary.
17
•  Disconnect the keyless receiver connector (6-pin) and keyless control module connector (75-pin).
•  Is there continuity between the following terminals?
―  Keyless receiver connector terminal A—keyless control module connector terminal 3A
―  Keyless receiver connector terminal C—keyless control module connector terminal 3C
Yes
Go to the next step.
No
•  Inspect and repair the wiring harness between the keyless control module and the keyless receiver, then go to the next step.
18
•  Remove the key from steering lock.
•  Measure the pulse profile using an oscilloscope at the keyless control module terminal 3C while operating the transmitter (advanced key).
•  Is the pulse profile become long at moment of transmitter operation?
Yes
Go to the next step.
No
Replace the keyless receiver, and then go to the next step.
19
•  Measure the voltage at the keyless contorl module terminals 2B, 2D and 2I.
―  Terminal 2C: IG1 voltage
―  Terminal 2A: B+
―  Terminal 2E: ACC voltage
•  Is the voltage as above?
Yes
Go to the next step.
No
•  Inspect for fuse.
•  Inspect and repair the wiring harness between the keyless control module and the fuse block as necessary.
•  Then go to the next step.
20
•  Measure the voltage at keyless control module terminal 2B?
•  Is the voltage 0 V?
Yes
Go to the next step.
No
•  Inspect and repair the wiring harness between the ground wire and the keyless control module as necessary.
•  Re-tighten the ground wire as necessary.
•  Then go to the next step.
21
•  Turn the start knob to LOCK position with mechanical key is not in ignition switch, and the start knob is not pushed.
•  Measure the voltage following keyless control module connector.
―  Terminal 3F (keyless switch): below 1.0 V
―  Terminal 3E (start knob (push switch)): below 1.0 V
―  Terminal 2E (ACC voltage): below 1.0 V
―  Terminal 2C (IG1 voltage): below 1.0 V
•  Is the signal voltage normal?
Yes
Go to the next step.
No
•  Inspect for key reminder switch.
•  Inspect and repair the wiring harness between the steering lock unit (key reminder switch) and the keyless control module.
•  Then go to the next step.
22
•  Monitor the following PIDs for the BCM using the M-MDS:
―  DRSW_D (Front door latch switch (driver-side))
―  DRSW_REAR (Rear door switch)
―  DRSW_P (Front door latch switch (passenger-side))
―  HOOD_SW (Bonnet latch switch)
―  T_GATE_SW (Liftgate latch switch)
•  Does each monitor value agree with the door open/close condition?
Yes
•  Inspect for open or short circuit in wiring harness between keyless control module terminal 3Q terminal and BCM terminal 3B.
―  If the wiring harness is not normal, repair or replace malfunctioning part.
―  If the wiring harness is normal, go to the next step.
No
•  Inspect door switch for suspect door.
•  Inspect for open or short circuit in wiring harness between suspect door switch and BCM.
23
•  Measure the voltage at the BCM terminals 5I, 2H, 7D, 5E, 2L and 7G while operating the transmitter.
―  Lock driver-side door with the transmitter (advanced key): 1.0 V or less → B+→ 1.0 V or less (terminal 5I)
―   Lock passenger-side door with the transmitter (advanced key): 1.0 V or less → B+→ 1.0 V or less (terminal 2H)
―  Lock all rear doors and liftgate with the transmitter (advanced key): 1.0 V or less → B+→ 1.0 V or less (terminal 7D)
―  Unlock driver-side door with the transmitter (advanced key): 1.0 V or less → B+→ 1.0 V or less (terminal 5E)
―  Unlock passenger-side door with the transmitter (advanced key): 1.0 V or less → B+→ 1.0 V or less (terminal 2L)
―  Unlock all rear doors and liftgate with the transmitter (advanced key): 1.0 V or less → B+→ 1.0 V or less (terminal 7G)
•  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.
No
Inspect the following and repair or replace the malfunctioning location.
•  Wiring harness between BCM and door lock actuator (short circuit)
•  If there is no malfunction with the door lock actuator harness (no short circuit in internal circuit) and the door lock actuator, replace the BCM.
24
•  Does the keyless entry system operate properly?
Yes
Troubleshooting completed. Explain repairs to the customers.
No
Re-inspect the malfunction symptoms, then repeat form Step 1 if malfunction recurs.