Communication network (vehicles up to 08.2001) — Pinpoint tests

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PINPOINT TEST A: AIR BAG MODULE DOES NOT RESPOND TO FDS 2000 INQUIRIES

STATES

DETAILS/RESULTS/ACTIONS

A1: INSPECT CIRCUIT 8-EE7 FOR OPEN

1 Enter the OFF position.

2 Disconnect the C424 air bag module.

3 Measure the resistance between pin 7 of connector C424 of the airbag module and pin 7 of C200 DLC, circuit 8-EE7 (white-red) and 8-EE10 (white and black).

• Is the connector OK and is the resistance less than 2 ohms?

Yes

Go to A2

No

REPAIR connector or circuit 8-EE7. CHECK the system is working properly

A2: CHECK CIRCUIT 8-EE7 FOR A SHORT TO "MASSES"

1 Enter the OFF position.

2 Measure the resistance between C200 DLC pin 7, circuit 8-EE7 (white-red) And "weight ".

• Is the resistance over 1000 ohms?

Yes

Go to A3

No

REPAIR connector or circuit 8-EE7. CHECK the system is working properly

A3: CHECK CIRCUIT 8-EE7 FOR A SHORT TO BATTERY VOLTAGE

1 Drive the ON position.

2 Measure the voltage between pin 7 of the C200 DLC connector, circuit 8-EE7 (white-red), And "weight ".

• Is the voltage over 1 V?

Yes

REPAIR connector or circuit 8-EE7. CHECK the system is working properly

No

Go to A4

A4: CHECK DLC POWER SUPPLY

1 Download the FDS 2000 Diagnostics for the Central Timer Module and follow the on-screen instructions.

• Are diagnostics running?

Yes

REPLACE airbag module CHECK system for correct operation

No

REPAIR the power supply following the FDS 2000 instructions. CHECK the system is operating correctly



PINPOINT TEST B: ELECTRONIC STABILITY PROGRAM MODULE (ESP) NOT RESPONDING TO FDS 2000 INQUIRIES


STATES

DETAILS/RESULTS/ACTIONS

B1: INSPECT CIRCUIT 8-EE6 OR 8-EE6A FOR OPEN

1 Enter the OFF position.

2 Disconnect Electronic Stability Program Module (ESP) C830.

3 Check connectors C830, C556 and C555 for damage and correct connection and measure the resistance between pin 17 of connector C830 of the electronic stability program (ESP) and pin 7 C200 DLC, electric circuit 8-EE6A (white), 8-EE6 (white), 8-EE2 (white-red) and 8-EE10 (white and black).

• Are the connectors OK and is the resistance less than 2 ohms?

Yes

REPLACE Electronic Stability Program Module (ESP). CHECK the system is working properly

No

REPAIR the 8-EE6 or 8-EE6A connector or circuit. CHECK the system is working properly



PINPOINT TEST C: STEERING WHEEL POSITION SENSOR DOES NOT RESPOND TO FDS 2000

STATES

DETAILS/RESULTS/ACTIONS

C1: INSPECT 4-EG15 AND 5-EG15 ELECTRICAL CIRCUIT FOR OPEN

1 Enter the OFF position.

2 Disconnect Steering Wheel Position Sensor C818.

3 Check the C818 connector for damage and connection, and measure the resistance between C818 pin 2 of the steering wheel position sensor and C200 DLC pin 2, circuit 4-EG15 (grey-orange) and 4-EG7 (grey-red), and between C818 pin 3 and C200 pin 10, circuit 5-EG7 (blue-red) and 5-EG15 (blue-black).

• Is the connector OK and is the resistance less than 2 ohms in both cases?

Yes

REPLACE steering wheel position sensor. CHECK the system is working properly

No

REPAIR connector C818 or circuit 4-EG15 between solder point S16 and connector C818, and circuit 5-EG15 between solder point S17 and connector C818. CHECK the system is working properly



PINPOINT TEST D: TRIP COMPUTER UNIT DOES NOT RESPOND TO FDS 2000 INQUIRIES


STATES

DETAILS/RESULTS/ACTIONS

D1: INSPECT CIRCUIT 8-EE12 FOR OPEN

1 Enter the OFF position.

2 Disconnect the Trip Computer Module C467.

3 Check connector C467 for damage and proper connection and measure resistance between trip computer module connector C467 pin 26 and C200 DLC pin 7, circuit 8-EE12 (white) and 8-EE10 (white and black).

• Is the connector OK and is the resistance less than 2 ohms?

Yes

REPLACE trip computer module. CHECK the system is working properly

No

REPAIR connector or circuit 8-EE12. CHECK the system is working properly



PINPOINT TEST E: AUXILIARY HEATER DOES NOT RESPOND TO FDS 2000 OR NGS REQUESTS

STATES

DETAILS/RESULTS/ACTIONS

E1: INSPECT CIRCUIT 8-EE11 FOR OPEN

1 Enter the OFF position.

2 Disconnect the C878 auxiliary heater.

3 Check connectors C878 and C70 for damage and correct connection, and measure the resistance between pin 3 of connector C878 auxiliary heater and pin 7 of C200 DLC, circuit 8-EE11 (white-violet) and 8-EE10 (white and black).

• Are the jack connectors OK and the resistance is less than 2 ohms?

Yes

REPLACE auxiliary heater. CHECK the system is working properly

No

REPAIR connector or circuit 8-EE11 between C878 and solder point S140. CHECK the system is working properly



PINPOINT TEST F: RADIO/TRAFFIC COMMUNICATION UNIT DOES NOT RESPOND TO FDS 2000 OR NGS INQUIRIES

STATES

DETAILS/RESULTS/ACTIONS

F1: INSPECT 8-MD15 CIRCUIT FOR OPEN

1 Enter the OFF position.

2 Disconnect the radio/traffic communication module C447.

3 Check connectors C447 and C445 for damage and correct connection, and measure the resistance between pin 16 of connector C447 of the radio/traffic module and pin 7 of C200 DLC, circuit 8-MD15 (white-green) and 8-EE10 (white and black).

• Are the jack connectors OK and the resistance is less than 2 ohms?

Yes

REPLACE radio/traffic communication module. CHECK the system is working properly

No

REPAIR connector or circuit 8-MD15. CHECK the system is working properly








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