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C-01, No Communication between Diagnostic Tester and Control Unit |
|
Test |
Work Order Description |
Nominal Value |
|
T01 |
Check: Short to Ground/Interruption of Voltage Supply Circuit |
|
|
|
• Disconnect wiring harness connector from:
Diagnostic tester • Measure voltage between the following terminals:
X13 Diagnostic Link
Wiring Harness Connector Terminal 16 & Ground
|
greater than 11.5 V |
|
|
Yes: T02 |
No: T10 |
|
T02 |
Check: Short to Voltage/Interruption of Ground Circuit |
|
|
|
• Measure voltage between the following terminals:
X13 Diagnostic Link
Wiring Harness Connector Terminal 16
&
X13 Diagnostic Link
Wiring Harness Connector Terminal 4 & 5
|
greater than 11.5 V |
|
|
Yes: T03 |
No: E09 |
|
T03 |
Check: Component |
|
|
|
• Check the following component for proper operation:
Diagnostic tester
|
Test okay? |
|
|
Yes: T04 |
No: E08 |
|
T04 |
Check: Short to Voltage of Voltage Supply Circuit |
|
|
|
• Ignition OFF • Disconnect wiring harness connector from:
G1 Battery • Wait time: minimum 60 s • Disconnect wiring harness connector from:
K31 Control Unit - Airbag • Connect wiring harness connector to:
G1 Battery • Measure voltage between the following terminals:
X90 Instrument Panel & Control Unit - Airbag 30P
Wiring Harness Connector Terminal 8
&
Ground
|
less than 0.1 V |
|
|
Yes: T05 |
No: E07 |
|
T05 |
Check: Short to Ground/Interruption of Voltage Supply Circuit |
|
|
|
• Ignition ON • Measure voltage between the following terminals:
X90 Instrument Panel & Control Unit - Airbag 30P
Wiring Harness Connector Terminal 8
&
Ground
|
greater than 11.5 V |
|
|
Yes: T06 |
No: E06 |
|
T06 |
Check: Short to Voltage/Interruption of Ground Circuit |
|
|
|
• Measure voltage between the following terminals:
X90 Instrument Panel & Control Unit - Airbag 30P
Wiring Harness Connector Terminal 8
&
X90 Instrument Panel & Control Unit - Airbag 30P
Wiring Harness Connector Terminal 6
|
greater than 11.5 V |
|
|
Yes: T07 |
No: E05 |
|
T07 |
Check: Short to Voltage of Signal Circuit |
|
|
|
• Measure voltage between the following terminals:
X90 Instrument Panel & Control Unit - Airbag 30P
Wiring Harness Connector Terminal 5
&
Ground
|
less than 0.1 V |
|
|
Yes: T08 |
No: E04 |
|
T08 |
Check: Short to Ground of Signal Circuit |
|
|
|
• Ignition OFF • Measure resistance between the following terminals:
X90 Instrument Panel & Control Unit - Airbag 30P
Wiring Harness Connector Terminal 5
&
Ground
|
greater than 100 kOhm |
|
|
Yes: T09 |
No: E03 |
|
T09 |
Check: Interruption of Signal Circuit |
|
|
|
• Measure resistance between the following terminals:
X90 Instrument Panel & Control Unit - Airbag 30P
Wiring Harness Connector Terminal 5
&
X13 Diagnostic Link
Wiring Harness Connector Terminal 12
|
less than 2 Ohm |
|
|
Yes: E01 |
No: E02 |
|
T10 |
Check: Short to Ground/Interruption of Voltage Supply Circuit |
|
|
|
• Check the following component for proper operation:
FV3 Fuse
|
Test okay? |
|
|
Yes: T11 |
No: T12 |
|
T11 |
Check: Short to Ground/Interruption of Voltage Supply Circuit |
|
|
|
• Measure voltage between the following terminals:
FV3 Fuse
&
Ground
|
greater than 11.5 V |
|
|
Yes: E10 |
No: E11 |
|
T12 |
Check: Short to Ground of Voltage Supply Circuit |
|
|
|
• Remove electrical component from socket:
FV3 Fuse • Measure resistance between the following terminals:
FV3 Fuse
Wiring Harness Connector (component side)
&
Ground Note: All doors and trunk/tailgate closed
|
greater than 100 kOhm |
|
|
Yes: E12 |
No: T13 |
|
T13 |
Check: Short to Ground of Voltage Supply Circuit |
|
|
|
• Remove electrical component from socket:
F22 Fuse • Measure resistance between the following terminals:
FV3 Fuse
Wiring Harness Connector (component side)
&
Ground Note: All doors and trunk/tailgate closed
|
greater than 100 kOhm |
|
|
Yes: T14 |
No: T15 |
|
T14 |
Check: Short to Ground of Voltage Supply Circuit |
|
|
|
• Disconnect each of the following components/control units consecutively from the wiring harness and repeat the measurement each time:
K87 Relay - Blower, Radiator
E50 Lamp - Driver Door
E51 Lamp - Co-Driver Door
E52 Lamp - Door, Rear, Left
E53 Lamp - Door, Rear, Right
E13 Lamp - Trunk
E27 Reading Lamp - Rear, Left
E28 Reading Lamp - Rear, Right
E37 Lamp - Make Up Mirror, Left
E40 Lamp - Make Up Mirror, Right
E41 Lamp - Passenger Compartment, Disconnect Delay
H54 Phone
K117 Control Unit - Immobiliser
H1 Radio
U25 Multitimer
U16 Display - MID
U15 Display - TID • Measure resistance between the following terminals:
F22 Fuse
Wiring Harness Connector (component side)
&
Ground Note: All doors and trunk/tailgate closed
|
greater than 100 kOhm |
|
|
Yes: E13 |
No: E14 |
|
T15 |
Check: Short to Ground of Voltage Supply Circuit |
|
|
|
• Disconnect each of the following components/control units consecutively from the wiring harness and repeat the measurement each time:
F9 Fuse
F12 Fuse
F16 Fuse
K59 Relay - Day Running Light
K73 Relay - High Beam
S2 Switch ASM - Light
K117 Control Unit - Immobiliser
U25 Multitimer • Measure resistance between the following terminals:
FV3 Fuse
Wiring Harness Connector (component side)
&
Ground Note: All doors and trunk/tailgate closed
|
greater than 100 kOhm |
|
|
Yes: E15 |
No: E16 |
