|
STEP
|
INSPECTION
|
ACTION
|
|
1
|
INSPECT HORN AND HAZARD WARNING LIGHT OPERATION DURING ON-BOARD DIAGNOSIS
• Do all of the following items work during on-board diagnostic function operation?
-
- Hazard warning lights flash.
-
- Horns sounds intermittently.
-
- Trunk lid opens.
|
Yes
|
Go to Step 11.
|
|
No
|
Go to the next step.
|
|
2
|
INSPECT HAZARD WARNING LIGHT OPERATION DURING ON-BOARD DIAGNOSIS
• Do the hazard warning lights flash during on-board diagnostic function operation?
|
Yes
|
Go to Step 5.
|
|
No
|
Go to the next step.
|
|
3
|
INSPECT HAZARD WARNING LIGHT CIRCUIT
• Do the hazard warning lights flash when hazard warning switch is on?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the hazard warning light circuit.
|
|
*4
|
INSPECT IF MALFUNCTION IS IN WIRING HARNESS (BETWEEN KEYLESS CONTROL MODULE AND FLASHER CONTROL MODULE) OR KEYLESS CONTROL MODULE
• Measure the voltage at keyless control module connector terminal 4N during on-board diagnostic function operation.
-
- When hazard warning lights flashed: Alternates between B+ and below 1.0 V
• Is the voltage as above?
|
Yes
|
Reinspect the malfunction symptoms, then repeat from Step 1 if malfunction recurs.
|
|
No
|
• Inspect the wiring harness between the keyless control module and flasher control module.
-
- If the wiring harness is normal, replace the keyless control module and reprogram the transmitter ID code, then go to Step 14.
-
- If the wiring harness is malfunctioning, repair the wiring harness, then go to Step 14.
|
|
5
|
INSPECT HORN OPERATION DURING ON-BOARD DIAGNOSIS
• Dose horn sound intermittently during on-board diagnostic function operation?
|
Yes
|
Go to Step 8.
|
|
No
|
Go to the next step.
|
|
6
|
INSPECT HORN CIRCUIT
• Does horn sound when the horn switch on the vehicle is pressed?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the horn circuit.
|
|
*7
|
INSPECT IF MALFUNCTION IS IN WIRING HARNESS (NO CONTINUITY BETWEEN KEYLESS CONTROL MODULE AND HORN RELAY) OR KEYLESS CONTROL MODULE
• Turn the ignition switch to the LOCK position.
• Disconnect the keyless control module connector and horn relay connector.
• Is there continuity between keyless control module connector terminal 3R and horn relay connector?
|
Yes
|
Replace the keyless control module and reprogram the keyless control module ID code, then go to Step 14.
|
|
No
|
Repair the wiring harness between the keyless control module and horn relay, then go to Step 14.
|
|
8
|
CHECK TRUNK LID OPERATION DURING ON-BOARD DIAGNOSIS
• Does the trunk lid open during on-board diagnostic function operation?
|
Yes
|
Go to Step 11.
|
|
No
|
Go to the next step.
|
|
9
|
INSPECT TRUNK LID OPENER SYSTEM
• Does the trunk lid open by the trunk lid opener switch?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the trunk lid opener system.
|
|
*10
|
INSPECT IF MALFUNCTION IS IN TRUNK LID OPENER RELAY CIRCUIT OR KEYLESS CONTROL MODULE
• Disconnect the keyless control module connector.
• Measure the voltage at keyless control module connector terminal 4O.
• Is the voltage approx. 12 V?
|
Yes
|
Replace the keyless control module and the reprogram transmitter ID code, then go to Step 14.
|
|
No
|
Inspect the trunk lid opener relay circuit.
|
|
11
|
VERIFY THAT ALL DOORS LOCK AND UNLOCK DURING ON-BOARD DIAGNOSIS
• Do all doors unlock and lock during on-board diagnostic function operation?
|
Yes
|
Reinspect the malfunction symptoms, then repeat from Step 1 if the malfunction recurs.
|
|
No
|
Go to the next step.
|
|
12
|
INSPECT DOOR LOCK LINKAGE
• Operate the door lock knob and verify the door locks and unlocks manually.
• Does every door lock system work?
|
Yes
|
Go to the next step.
|
|
No
|
Inspect the door lock linkage.
|
|
*13
|
INSPECT IF MALFUNCTION IS IN DOOR LOCK ACTUATOR, KEYLESS CONTROL MODULE GROUND CIRCUIT OR ELSEWHERE
• Measure the voltage at keyless control module connector terminals 1C and 1A.
-
- All doors locked: Cycles 1.0 V or less →B+→1.0 V or less (terminal 1A)
-
- All doors unlocked: Cycles B+→1.0 V or less→B+ (terminal 1C)
• Is the voltage as above?
|
Yes
|
Reinspect the malfunction symptoms, then repeat from Step 1 if the malfunction recurs.
|
|
No
|
• Inspect the keyless control module the connector.
• Inspect the wiring harness between the keyless control module and door lock actuator.
-
- If the above parts are normal, go to the next step.
-
- If any of above parts are malfunctioning, repair the malfunctioning part.
|
|
14
|
REINSPECT MALFUNCTION SYMPTOM AFTER REPAIR
• Does the keyless entry system operate properly?
|
Yes
|
Troubleshooting completed.
Explain repairs to customer.
|
|
No
|
Reinspect the malfunction symptoms, then repeat from Step 1 if malfunction recurs.
|