Parking assistance — Pinpoint tests (vehicles after 10.2001)

B1: INSPECT REVERSE LIGHT SWITCH

1 Drive the ON position.

2 Select reverse gear.

• Are the reversing lights working correctly?

→ Yes

Go to B2.

→ No

See Section 417-01 for more information.

B2: CHECK THE POWER SUPPLY OF THE PARKING ASSIST MODULE

1 Enter the OFF position.

2 Disconnect the Park Assist Module - C2100a.

3 Drive the ON position.

4 Select reverse gear.

5 Measure the voltage between pin 18 C2100a of the parking assistance module electrical circuit (red) from the side of the wiring harness and "weight".

• Is the voltage over 10 V?

→ Yes

Vehicles with manual transmission Go to B3

Vehicles with automatic transaxle transaxle Go to B4

→ No

CHECK and REPAIR circuit between circuit park assist module pin 18 C2100a (red) on the wiring harness side and pin 11 C862 or C864 of the reversing light switch (manual transmission in a block with a drive axle), or pin 4 C438 transmission range sensor (TR) electric circuit 15S-TA38 (green/blue) (automatic transmission in a block with a driving axle), from the wiring harness side. If the circuit is OK, INSTALL a new parking aid module. CHECK the system is working properly.

B3: CHECK CIRCUIT CONNECTION TO "MASS" PARKING ASSIST MODULE

1 Enter the OFF position.

2 Measure the resistance between pin 16 C2100a of the parking assistance module electrical circuit (brown) from the side of the wiring harness and "weight".

• Is the resistance less than 5 ohms?

→ Yes

Go to B5.

→ No

CHECK and REPAIR circuit between circuit park assist module pin 16 C2100a (brown) from the side of the wiring harness and "weight". If the circuit is OK, INSTALL a new parking aid module. CHECK the system is working properly.

B4: CHECK CIRCUIT CONNECTION TO "MASS" PARKING ASSIST MODULE

1 Enter the OFF position.

2 Measure the resistance between pin 10 C2100a of the parking assistance module electrical circuit (brown) from the side of the wiring harness and "weight".

• Is the resistance less than 5 ohms?

→ Yes

Go to B5.

→ No

CHECK and REPAIR the circuit between C2100a pin 10 of the park assist module circuit (brown) from the side of the wiring harness and "weight". If the circuit is OK, INSTALL a new parking aid module. Check the correct operation of the system.

B5: CHECK PARKING AID SPEAKER CIRCUIT FOR OPEN

1 Enter the OFF position.

2 Disconnect the Parking Assist Speaker - C1016.

3 Disconnect the Park Assist Module - C1015.

4 Measure the resistance between C1015 pin 1 of the parking assistance module electrical circuit (brown) wiring harness side and pin 1 C1016 park assist speaker circuit (brown) from the side of the wiring harness.

• Is the resistance less than 5 ohms?

→ Yes

Go to B6.

→ No

REPAIR the circuit between pin 1 C1015 of the parking aid module circuit (brown) wiring harness side and pin 1 C1016 park assist speaker circuit (brown) from the side of the wiring harness. If the circuit is OK, INSTALL a new park assist speaker. CHECK the system is working properly.

B6: CHECK PARKING AID SPEAKER CIRCUIT FOR OPEN

1 Measure the resistance between C1015 pin 2 of the parking assistance module electrical circuit (brown/red), harness side and pin 2 C1016 park assist speaker circuit (brown/red) from the side of the wiring harness.

• Is the resistance less than 5 ohms?

→ Yes

Go to B7.

→ No

REPAIR the circuit between pin 2 C1015 of the parking aid module circuit (brown/red) wiring harness side and pin 2 C1016 park assist speaker circuit (brown/red) from the side of the wiring harness. If the circuit is OK, INSTALL a new park assist speaker. CHECK the system is working properly.

B7: CHECK PARKING ASSIST MODULE FUSE CIRCUIT FOR A SHORT TO "MASS"

1 Disconnect the parking aid module safety link.

2 Measure the resistance between pin 24 C2100a of the parking assistance module electrical circuit (pink) from the side of the wiring harness and "weight".

• Is the resistance over 10,000 ohms?

→ Yes

Go to B8.

→ No

CHECK and REPAIR the circuit between pin 24 C2100a of the park assist module circuit (pink) from the side of the wiring harness and "weight". If the circuit is OK, INSTALL a new park assist module fuse. CHECK the system is working properly.

B8: CHECK PARKING ASSIST MODULE FUSE CIRCUIT FOR A SHORT TO "MASS"

1 Measure the resistance between C2100a pin 25 of the parking assistance module electrical circuit (pink) from the side of the wiring harness and "weight".

• Is the resistance over 10,000 ohms?

→ Yes

INSTALL a new parking aid module. CHECK the system is working properly.

→ No

CHECK and REPAIR circuit between circuit park assist module pin 25 C2100a (pink) from the side of the wiring harness and "weight". If the circuit is OK, INSTALL a new park assist module fuse. CHECK the system is working properly.

Pin 1

Pin 4

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. CHECK the system is working properly

Pin 2

Pin 10

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. CHECK the system is working properly

pin 3

Pin 11

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. Check the correct operation of the system.

Pin 1

pin 3

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. Check the correct operation of the system.

Pin 2

Pin 10

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. Check the correct operation of the system.

pin 3

pin 11

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. Check the correct operation of the system.

Pin 1

Pin 2

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. CHECK the system is working properly.

Pin 2

Pin 10

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. CHECK the system is working properly

pin 3

Pin 11

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. CHECK the system is working properly.

Pin 1

Pin 1

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. Check the correct operation of the system.

Pin 2

Pin 10

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. CHECK the system is working properly.

pin 3

pin 11

Less than 5 ohm

If resistance is more than 5 ohms, CHECK and REPAIR circuit. If the circuit is OK, INSTALL a new parking aid sensor. Check the correct operation of the system.