No. 3 Transmitter Id Code Cannot Be Reprogrammed - Mazda 6 2002 Workshop Manual

TROUBLESHOOTING [KEYLESS ENTRY SYSTEM]
STEP
*4 CHECK TO SEE WHETHER MALFUNCTION
IS IN WIRING HARNESS (SHORT TO B+
BETWEEN FUSE BLOCK AND DOOR LOCK
TIMER UNIT, OR BETWEEN DOOR LOCK
TIMER UNIT AND GROUND) OR
ELSEWHERE
• Turn ignition switch to LOCK position.
• Disconnect door lock timer unit connector.
• Measure voltage at following door lock timer
unit connector terminals:
— IG1 signal (Terminal B (24 pin))
• Is voltage B+?
*5 CHECK TO SEE WHETHER MALFUNCTION
IS IN WIRING HARNESS (LACK OF
CONTINUITY BETWEEN DOOR LOCK TIMER
UNIT AND GROUND) OR ELSEWHERE
• Is there continuity between door lock timer
unit connector terminal W (24 pin) and
ground?
6 INSPECT FOR CHECK CODE 04 IN
INSTRUMENT CLUSTER
• Inspect door switch using instrument cluster
input/output check mode.
(See Section T)
• Does DTC 04 function properly?
7 INSPECT DOOR LOCK TIMER UNIT OR
WIRING HARNESS (BETWEEN DOOR LOCK
TIMER UNIT AND DOOR SWITCHES, CARGO
COMPARTMENT LIGHT SWITCH FOR
CONTINUITY)
• Open the driver-side door.
• Is there continuity between door lock timer
unit connector terminal K, G (24 pin) and
ground?
8 RECHECK MALFUNCTION SYMPTOM AFTER
REPAIR
• Does keyless entry system operate
properly?
End Of Sie

NO. 3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED

3 Transmitter ID code cannot be reprogrammed
• Malfunction in transmitter battery, transmitter door lock timer unit bracket, door lock timer unit bracket
DESCRIPTION
ground screw or door lock timer unit circuit.
• Malfunction in transmitter battery, transmitter, door lock timer unit bracket, door lock timer unit bracket
POSSIBLE ground screw or door lock timer unit circuit
CAUSE — Transmitter battery, transmitter, door lock timer unit bracket, door lock timer unit bracket ground
screw or door lock timer unit malfunction
Diagnostic procedure
STEP
1 INSPECT TRANSMITTER BATTERY
INSTALLATION AND TYPE
• Visually inspect transmitter battery.
• Are below items okay?
— Transmitter battery installation (correct
polarity)
— Battery type (CR2025)
2 INSPECT TRANSMITTER BATTERY
TERMINALS FOR RUST AND POOR
CONNECTION
• Visually inspect transmitter.
— Is there rust on transmitter battery
terminals (positive or negative pole)?
— Is there poor connection between
terminals and battery?
INSPECTION
INSPECTION
Yes Repair malfunctioning wiring harness, then go to Step 8.
No Go to net step.
Yes Go to net step.
No Repair wiring harness between door lock timer unit and
ground, then go to Step 8.
Yes Go to net step.
No Repair door switch system using DTC 04 inspection
procedure, then go to Step 8.
Yes Replace door lock timer unit and reprogram door lock timer
unit ID code, then go to net step.
No Repair wiring harness between door lock timer unit and door
switch(es), cargo compartment light switch then go to net
step.
Yes Troubleshooting completed.
Eplain repairs to customer.
No Recheck malfunction symptoms, then repeat from Step 1 if
malfunction reoccurs.
Yes Go to net step.
No Set transmitter battery properly or replace with specified
transmitter battery (CR2025), then go to Step 8.
Yes Replace transmitter battery or repair transmitter battery
terminal, then go to Step 8.
No Go to net step.
ACTION
A6E778269000W08
ACTION
S–133
S