NO.2 ALL ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE[KEYLESS ENTRY SYSTEM]

• When performing an asterisked (*) troubleshooting inspection, slightly shake the wiring harness and connectors while performing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, verify that the connectors, terminals and wiring harnesses are connected correctly and undamaged.

2	All on-board diagnostic functions inoperative
DESCRIPTION	• Malfunction in SJB power supply circuit, door latch switch circuit, or SJB ground circuit.
POSSIBLE CAUSE	• Malfunction in IG1 or power supply signal circuit of SJB ― SJB power supply fuse malfunction ― Malfunction in wiring harness between SJB power supply fuses and SJB • Malfunction in door open/closed signal circuit of SJB ― Door latch switch system malfunction ― SJB malfunction ― Malfunction in wiring harness between SJB and door latch switch • Malfunction in SJB GND signal circuit ― Malfunction in wiring harness between SJB and ground

STEP	INSPECTION	ACTION
1	INSPECT SJB POWER SUPPLY FUSES • Are the SJB power supply fuses normal?	Yes	Go to the next step.
No	Install an appropriate amperage fuse.
2	INSPECT DOOR LATCH SWITCH INSTALLATION • Are the door latch switches installed securely?	Yes	Go to the next step.
No	Install the door latch switches securely, then go back to Step 5 of KEYLESS ENTRY SYSTEM PRELIMINARY INSPECTION.
*3	INSPECT IF MALFUNCTION IS IN WIRING HARNESS (NO CONTINUITY BETWEEN FUSE BLOCK AND SJB) OR ELSEWHERE • Turn the ignition switch to the ON position. • Measure the voltage at the following SJB terminals: ― IG1 signal (terminal J-01 7) ― Power supply signal (terminal J-02 29) • Is the voltage B+?	Yes	Go to the next step.
No	Repair the wiring harness between the fuse block and SJB, then go to Step 8.
*4	INSPECT IF MALFUNCTION IS IN WIRING HARNESS (SHORT TO POWER SUPPLY BETWEEN FUSE BLOCK AND SJB, OR BETWEEN SJB AND GROUND) OR ELSEWHERE • Turn the ignition switch to the LOCK position. • Disconnect the SJB connector. • Measure the voltage at the following SJB terminal (wiring harness-side): ― IG1 signal (terminal J-01 7) • Is the voltage B+?	Yes	Repair the malfunctioning wiring harness, then go to Step 8.
No	Go to the next step.
*5	INSPECT IF MALFUNCTION IS IN WIRING HARNESS (NO CONTINUITY BETWEEN SJB AND GROUND) OR ELSEWHERE • Is there continuity between SJB terminal J-03 30 and ground?	Yes	Go to the next step.
No	Repair the wiring harness between the SJB and ground, then go to Step 8.
6	INSPECT SJB OR WIRING HARNESS (BETWEEN SJB AND DOOR LATCH SWITCHES FOR CONTINUITY) • Open all doors. • Is there continuity between SJB terminals J-04 18, J-04 19, J-04 20, J-04 21 and ground?	Yes	Replace the SJB and reprogram the transmitter ID code, then go to the next step.
No	Repair the wiring harness between the SJB and door latch switches, then go to the next step.
7	INSPECT POWER SUPPLY FUSE • Is the keyless control module power supply fuse normal?	Yes	Go to the next step.
No	Install an appropriate amperage fuse.
8	REINSPECT MALFUNCTION SYMPTOM AFTER REPAIR • Does the keyless entry system operate properly?	Yes	Troubleshooting completed. Explain repairs to the customer.
No	Reinspect the malfunction symptoms, then repeat from Step 1 if the malfunction recurs.

STEP

INSPECTION

ACTION

INSPECT SJB POWER SUPPLY FUSES

• Are the SJB power supply fuses normal?

Yes

Go to the next step.

Install an appropriate amperage fuse.

INSPECT DOOR LATCH SWITCH INSTALLATION

• Are the door latch switches installed securely?

Yes

Go to the next step.

Install the door latch switches securely, then go back to Step 5 of KEYLESS ENTRY SYSTEM PRELIMINARY INSPECTION.

INSPECT IF MALFUNCTION IS IN WIRING HARNESS (NO CONTINUITY BETWEEN FUSE BLOCK AND SJB) OR ELSEWHERE

• Turn the ignition switch to the ON position.

• Measure the voltage at the following SJB terminals:

― IG1 signal (terminal J-01 7)

― Power supply signal (terminal J-02 29)

• Is the voltage B+?

Yes

Go to the next step.

Repair the wiring harness between the fuse block and SJB, then go to Step 8.

INSPECT IF MALFUNCTION IS IN WIRING HARNESS (SHORT TO POWER SUPPLY BETWEEN FUSE BLOCK AND SJB, OR BETWEEN SJB AND GROUND) OR ELSEWHERE

• Turn the ignition switch to the LOCK position.

• Disconnect the SJB connector.

• Measure the voltage at the following SJB terminal (wiring harness-side):

― IG1 signal (terminal J-01 7)

• Is the voltage B+?

Yes

Repair the malfunctioning wiring harness, then go to Step 8.

Go to the next step.

INSPECT IF MALFUNCTION IS IN WIRING HARNESS (NO CONTINUITY BETWEEN SJB AND GROUND) OR ELSEWHERE

• Is there continuity between SJB terminal J-03 30 and ground?

Yes

Go to the next step.

Repair the wiring harness between the SJB and ground, then go to Step 8.

INSPECT SJB OR WIRING HARNESS (BETWEEN SJB AND DOOR LATCH SWITCHES FOR CONTINUITY)

• Open all doors.

• Is there continuity between SJB terminals J-04 18, J-04 19, J-04 20, J-04 21 and ground?

Yes

Replace the SJB and reprogram the transmitter ID code, then go to the next step.

Repair the wiring harness between the SJB and door latch switches, then go to the next step.

INSPECT POWER SUPPLY FUSE

• Is the keyless control module power supply fuse normal?

Yes

Go to the next step.

Install an appropriate amperage fuse.

REINSPECT MALFUNCTION SYMPTOM AFTER REPAIR

• Does the keyless entry system operate properly?

Yes

Troubleshooting completed.

Explain repairs to the customer.

Reinspect the malfunction symptoms, then repeat from Step 1 if the malfunction recurs.