INSPECT KEYLESS RECEIVE BRACKET
INSTALLATION
• Is the keyless receive bracket installed securely?
No
Install bracket securely, then go
back to Step 6 of KEYLESS
ENTRY SYSTEM
PRELIMINARY inspection.
Yes Go to the next step.
5
INSPECT GROUND SCREW INSTALLATION
BETWEEN KEYLESS RECEIVE AND KEYLESS
RECEIVE BRACKET
• Are the keyless receive and keyless receive bracket
connected securely to the ground screw?
No
Install the screw securely, then go
back to Step 6 of KEYLESS
ENTRY SYSTEM
PRELIMINARY inspection.
Yes
Replace the transmitter battery,
then go to Step 13.
6
INSPECT IF MALFUNCTION IS IN TRANSMITTER
BATTERY OR ELSEWHERE
• Replace with a transmitter battery known to be good.
• Does the keyless entry system operate properly?
No Go to the next step.
Yes
Replace the transmitter and
reprogram the transmitter ID code,
then go to Step 13.
7
INSPECT IF MALFUNCTION IS IN TRANSMITTER
OR KEYLESS CONTROL MODULE
• Reprogram the keyless control module ID code using
another known good transmitter.
• Does the keyless entry system operate properly?
No Go to the next step.
Yes Go to the next step.
8
INSPECT POWER SUPPLY FUSE
• Is the keyless receiver power supply fuse normal?
No
Inspect for a short to ground in
circuit of blown fuse. Repair or
replace if necessary.
Install an appropriate amperage
fuse, then go to Step 13.
Yes Go to the next step.
9
INSPECT IF MALFUNCTION IS IN WIRING
HARNESS (NO CONTINUITY BETWEEN FUSE
BLOCK AND KEYLESS RECEIVER) OR
ELSEWHERE
• Measure the voltage at the following keyless receiver
terminal:
Power supply signal (terminal 1A)
• Is the voltage B+ ?
No
Repair the wiring harness between
the fuse block and keyless receiver,
then go to Step 13.
Yes Go to the next step.
10
INSPECT IF MALFUNCTION IS IN WIRING
HARNESS (NO CONTINUITY BETWEEN KEYLESS
RECEIVER AND GROUND) OR ELSEWHERE
• Is there continuity between keyless receiver connector
terminal 1E and ground?
No
Repair the wiring harness between
the keyless receiver and ground,
then go to Step 13.
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