Active Anti-Theft System — Pinpoint Tests (Focus 1)

A1: SELF-TESTING CSM INPUT AND OUTPUT SIGNALS

1Make sure the doors, tailgate/trunk lid and hood are fully open

2Perform a CSM self-test. For more information, refer to Self-test in this section.

• Do all tested input signals work correctly?

→ Yes

For vehicles with interior scanning function, Go to A2 For vehicles without the interior sanitization feature, RETRIEVE DTCs. If no DTCs are found, CHECK that the system is operating correctly.

→ No

If the alarm system does not sound when you open the hood, Go to A6

If the alarm system does not sound, Go to A9

If the turn signal lights do not flash, Go to A11

If there is no response signal:

Remote Transmitter For additional information, refer to Section 501-14.

Door control with key (on/off switch), Go to A13

Interior Light Door Switch (On/Off Switch), Go to A18

Operating the rear tailgate with the key (on/off switch), Go to A19

Rear Tailgate Interior Light Switch Go to A22

A2: CHECKING INTERIOR SCANNING SENSORS

1Partially lower the left door window, then turn on the anti-theft system.

2Wait approximately one minute, then move your hand over the left scanning sensor.

3Raise the left door window. Partially lower the right door window, then turn on the anti-theft system.

4Wait approximately one minute, then move your hand over the right scanning sensor.

• Was the alarm turned off by command from each of the sensors?

→ Yes

RETAIN DTCs. CHECK the system for proper operation.

→ No

Go to A3

A3: CHECKING THE WIRING OF THE INTERIOR SCANNING SENSORS

1Disconnect C452 from CSM.

2Disconnect C453 Left Interior Scan Sensor.

3Disconnect C454 Right Interior Scan Sensor.

4Measure the resistance between pin 6 of the interior scan sensor connector C453, circuit 8-GL10 (white), harness side and pin 14 of the CSM connector C452, circuit 8-GL10 (white), harness side.

- Measure the resistance between pin 7 of the interior scan sensor connector C453, circuit 7-GL10 (yellow), harness side, and pin 13 of the CSM connector C452, circuit 7-GL1 (yellow), harness side.

- Measure the resistance between pin 5 of the interior scan sensor connector C453, circuit 31-GL10 (black), harness side, and ground.

• Is the resistance less than 5 Ohms in all cases?

→ Yes

Go to A4

→ No

REPAIR or INSTALL new interior scan sensor wiring. CHECK system for proper operation.

A4: CHECKING THE CABIN SCAN SENSOR WIRING

1Measure the resistance between pin 15 of the interior scan sensor connector C454, circuit 31-GL17 (black), harness side, and ground.

- Measure the resistance between pin 2 of the interior scan sensor connector C454, circuit 7-GL17 (YE/RD), harness side, and pin 13 of the CSM connector C452, circuit 7-GL1 (YE), harness side.

• Is the resistance less than 5 Ohms in all cases?

→ Yes

Go to A5

→ No

REPAIR or INSTALL new interior scan sensor wiring. CHECK system for proper operation.

A5: CHECKING THE CABIN SCAN SENSOR WIRING

1Measure the resistance between pin 1 (gray), pin 3 (blue), pin 14 (gray/red), pin 16 (red/blue) of the interior scan sensor connector C454, harness side, and pin 8 (gray), pin 9 (blue), pin 10 (gray/red), and pin 11 (red/blue) of the interior scan sensor connector C453, harness side.

• Is the resistance less than 5 Ohms in all cases?

→ Yes

RETAIN DTCs. If no DTCs are found, CHECK the system for proper operation. If the problem persists, INSTALL a new interior scan sensor. CHECK the system for proper operation.

→ No

REPAIR or INSTALL new interior scan sensor wiring. CHECK system for proper operation.

A6: CHECKING THE SIGNAL FROM THE HOOD SWITCH TO THE CSM

1Disconnect C452 from CSM.

2Measure the resistance between pin 3 of CSM connector C452, circuit 31S-GL7A (BK/YEL), harness side, and ground. Take readings with the hood closed and with the hood open.

• Is the resistance less than 5 ohms with the hood closed and more than 10,000 ohms with the hood open?

→ Yes

RETRIEVING DTCs. If no DTCs are found, CHECK the system for proper operation. If the problem persists, INSTALL a new CSM. Refer to Section 419-10 for additional information. CHECK the system for proper operation.

→ No

Go to A8

A7: CHECKING THE HOOD SWITCH

1Disconnect C897 hood switch.

2Measure the resistance between pins 1 and 2 of the C897 hood switch connector, on the component side. Take readings with the switch rod pressed and released.

• Is the resistance less than 5 ohms with the switch stem not pressed and greater than 10,000 ohms with the switch stem pressed?

→ Yes

Go to A8

→ No

INSTALL a new hood switch. CHECK the system for proper operation.

A8: CHECKING THE HOOD SWITCH GROUND

1Measure the resistance between pin 2 of connector C897 hood switch, circuit 31-GL7 (BK/YE), harness side and ground.

• Resistance less than 5 ohms?

→ Yes

REPAIR electrical circuit 31S-GL7 (black/yellow). CHECK correct system operation.

→ No

REPAIR electrical circuit 31-GL7 (black/yellow). CHECK system operation for proper operation.

A9: CHECKING THE GROUND SIGNAL TO THE ANTI-THEFT ALARM SYSTEM HORN

1Disconnect C811 anti-theft alarm system horn.

2Measure the resistance between the anti-theft alarm system connector C811 pin, circuit 29S-GL26 (orange/green), harness side and ground.

• Is the voltage greater than 10 V?

→ Yes

CLEAN and TIGHTEN the anti-theft alarm sound support MOUNT. CHECK that the system is working correctly. If the problem persists, SET a new alarm tone for the anti-theft alarm system. CHECK that the system is working correctly.

→ No

REPAIR electrical circuit 29S-GL26 (orange/blue). CHECK for proper system operation.

A10: CHECK ELECTRICAL CIRCUIT 29S-GL26 (ORANGE-GREEN) FOR OPEN

1Measure the resistance between pin 1 of connector C811 horn, circuit 29S-GL26 (OG/GN), harness side and pin 8 of connector C452 CSM, harness side.

• Resistance less than 5 ohms?

→ Yes

RETRIEVE DTCs. If no DTCs are found, CHECK the system for proper operation. If the problem persists, INSTALL a new CSM. CHECK the system for proper operation.

→ No

REPAIR electrical circuit 29S-GL26 (orange/blue). CHECK for proper system operation.

A11: CHECKING THE OPERATION OF THE HAZARD WARNING LAMPS

1Activate the hazard warning lights using the hazard warning light switch.

• Do the hazard warning lights work?

→ Yes

Go to A12

→ No

For additional information, see Section 417-01.

A12: CHECK ELECTRICAL CIRCUIT 31S-LG8 (BLACK/ORANGE) FOR OPEN

1Enter the OFF position.

2Disconnect C452 CSM.

3Disconnect C458 hazard warning light switch.

4Measure the resistance between pin 6 of CSM connector C452, circuit 31S-LG8 (BK/OG), harness side and pin 5 of hazard warning switch connector C458, harness side.

• Resistance less than 5 ohms?

→ Yes

INSTALL a new CSM connector. CHECK the system for proper operation.

→ No

REPAIR electrical circuit 31S-LG8 (black/orange). CHECK for proper system operation.

A13: CHECKING THE OPERATION OF DOOR LOCKS

1Activate the door locks using the key in the driver's door and in the passenger's door.

• Do the locks lock and unlock correctly?

→ Yes

Go to A14

→ No

For more information, see Section 501-14.

A14: CHECKING THE SIGNAL FROM THE DOOR LOCK TO THE CSM

1Disconnect C452 CSM.

2Measure the resistance between CSM connector C452 pin 11, circuit 31S-AA61B (driver side) or 31S-AA61A (passenger side) (BLK/BU), harness side and ground. Take readings while locking the driver's door and while locking the passenger's door.

• Is the resistance less than 5 ohms when each door is locked?

→ Yes

Go to A16

→ No

Go to A15

A15: CHECK DOOR UNLOCK SIGNAL TO CSM

1Measure the resistance between CSM connector C452 pin 15, circuit 31S-AA62B (driver side), 31S-AA62A (passenger side) (B/W), harness side and ground. Take readings while unlocking the driver's door and while unlocking the passenger's door.

• Resistance less than 5 ohms?

→ Yes

CONNECT electrical connectors and components. CHECK for proper system operation. If fault persists, INSTALL a new CSM. CHECK for proper system operation.

→ No

Go to A17

A16: CHECKING THE LOCKING SIGNAL TO THE DOOR LOCK

1Disconnect the non-working door lock.

2Measure the resistance between pin 11 of CSM connector C452, circuit 31S-AA61A (driver side), 31S-AA61 (passenger side) (BLK/BU), harness side and pin 5 of the inoperative door lock, circuit 31S-AA61 (BLK/BU), harness side.

3Measure the resistance between pin 11 of CSM connector C451b, circuit 31S-AA61A (driver side), 31S-AA61 (passenger side) (BLK/BU), harness side and ground.

• Is the resistance in all cases less than 5 Ohms between the connectors and more than 10,000 Ohms relative to ground?

→ Yes

INSTALL a new door lock. Refer to Section 501-14 for additional information. CHECK the system for proper operation.

→ No

REPAIR the electrical circuit. CHECK the system for proper operation.

A17: CHECKING THE UNLOCKING ELECTRICAL CIRCUIT TO THE MOTOR

1Disconnect the non-working door lock.

2Measure the resistance between CSM connector C452 pin 15, circuit 31S-AA62B (driver side), 31S-AA62A (passenger side) (BK/WH), harness side and pin 7 of the inoperative door lock, circuit 31S-AA62 (BK/WH), harness side.

3Measure the resistance between CSM connector C452 pin 15, circuit 31S-AA62A (driver side, 31S-AA62 (passenger side) (B/W), harness side and ground.

• Is the resistance in all cases less than 5 Ohms between the connectors and more than 10,000 Ohms relative to ground?

→ Yes

INSTALL a new door lock. Refer to Section 501-14 for additional information. Check for proper operation of the system.

→ No

REPAIR the electrical circuit. CHECK the system for proper operation.

A18: CHECKING INTERIOR LIGHTING

1Set the interior light switch to position 12 SEC. Check that the interior light system operates correctly from the door being tested.

• Is the interior lighting system functioning properly?

→ Yes

REPAIR electrical circuit 31S-GL8 (black/yellow) (driver side), for other doors: 31S-GL5B (black/blue) and for tailgate/trunk lid: 31S-GL20. CHECK for proper system operation.

→ No

For additional information, see Section 417-02.

A19: CHECKING THE OPERATION OF THE ANTI-THEFT SYSTEM LOCK SWITCH

1Disconnect C632 tailgate anti-theft lock switch.

2Measure the resistance between pin 2 of connector C800 or pin 1 of connector C632 (for wagon) of the rear lid/tailgate anti-theft alarm lock switch, circuit 31-GL27 (black), harness side and ground.

• Resistance less than 5 ohms?

→ Yes

Go to A20

→ No

REPAIR electrical circuit 31-GL27 (black). CHECK for proper system operation.

A20: CHECK THE TAILGATE/TRUNK LID LOCK SWITCH

1Measure the resistance between pins 2 and 3 of the C800 connector of the tailgate/trunk lid anti-theft alarm lock switch, or pins 1 and 2 of the C632 connector (for the station wagon), on the component side. Take the readings while unlocking the tailgate/trunk lid with the key and after removing the key from the lock cylinder.

• Is the resistance less than 5 ohms when unlocking the tailgate/luggage compartment lid with the key and more than 10,000 ohms in all other cases?

→ Yes

Go to A21

→ No

INSTALL a new rear lid/tailgate anti-theft lock switch. CHECK the system for proper operation.

A21: CHECK ELECTRICAL CIRCUIT 31S-GL27 (BLACK/ORANGE) FOR OPEN

1Measure the resistance between pin 2 of connector C800 or pin 2 of connector C632 (for station wagon), harness side, and pin 1 of connector C452 CSM, harness side.

• Resistance less than 5 ohms?

→ Yes

RECALL DTCs. If no DTCs are found, CHECK the system for proper operation. If the problem persists, INSTALL a new CSM. CHECK the system for proper operation.

→ No

REPAIR electrical circuit 31S-GL27 (black/orange). CHECK for proper system operation.

A22: CHECKING THE TURNING OF INTERIOR LAMPS FROM THE TAILGATE DOOR

1Set the interior lamp switch to position 12 SEC. Operate the interior lamps by opening the tailgate/trunk lid

• Are the interior lights working properly?

→ Yes

REPAIR electrical circuit 31S-GL20 (black/red). CHECK for proper system operation.

→ No

For additional information, see Section 417-02.