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)
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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
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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? (See ADVANCED KEY ID CODE REGISTRATION [ADVANCED KEYLESS ENTRY AND START SYSTEM].) | 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: (See ADVANCED KEY BATTERY REPLACEMENT [ADVANCED KEYLESS ENTRY AND START SYSTEM].) ― 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). (See ADVANCED KEY BATTERY REPLACEMENT [ADVANCED KEYLESS ENTRY AND START SYSTEM].) • 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 OFF 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 control 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 OFF 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. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)
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.