Operation CHARM: Car repair manuals for everyone.
Home >> Jaguar >> 2008 >> XK (X150) V8-4.2L SC >> Repair and Diagnosis >> Accessories and Optional Equipment >> Radio, Stereo, and Compact Disc >> Testing and Inspection >> Pinpoint Tests

Pinpoint Tests



Pinpoint Tests

PINPOINT TEST G834560p1 : STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT TESTS

G834560t1 : CHECK THE STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
1. Disconnect the battery negative terminal.
2. Wait one minute for the supplemental restraints system back-up power to dissipate.
3. Disconnect the information and entertainment module connector, IP087.
4. Measure the resistance between:
Information and entertainment module connector, IP087 pin 07, harness side

GROUND

- Is the resistance 5036.71 ohms?

->YES
GO to Pinpoint Test G834560t2.

->NO
GO to Pinpoint Test G834560t8.

G834560t2 : CHECK THE STEERING WHEEL AUDIO CONTROL MUTE SWITCH CIRCUIT
1. PRESS and HOLD the MUTE switch
2. Measure the resistance between:
Information and entertainment module connector, IP087 pin 07, harness side

GROUND

- Is the resistance 2036.7 ohms?

->YES
GO to Pinpoint Test G834560t3.

->NO
Install a new steering wheel audio control switch assembly.

G834560t3 : CHECK THE STEERING WHEEL AUDIO CONTROL SOURCE SWITCH CIRCUIT
1. PRESS and HOLD the SOURCE switch
2. Measure the resistance between:
Information and entertainment module connector, IP087 pin 07, harness side

GROUND

- Is the resistance 1036.7 ohms?

-> YES
GO to Pinpoint Test G834560t4.

-> NO
Install a new steering wheel audio control switch assembly.

G834560t4 : CHECK THE STEERING WHEEL AUDIO CONTROL SEEK DOWN SWITCH CIRCUIT
1. OPERATE and HOLD the SEEK DOWN switch
2. Measure the resistance between:
Information and entertainment module connector, IP087 pin 07, harness side

GROUND

- Is the resistance 561.7 ohms?

->YES
GO to Pinpoint Test G834560t5.

->NO
Install a new steering wheel audio control switch assembly.

G834560t5 : CHECK THE STEERING WHEEL AUDIO CONTROL SEEK UP SWITCH CIRCUIT
1. OPERATE and HOLD the SEEK UP switch
2. Measure the resistance between:
Information and entertainment module connector, IP087 pin 07, harness side

GROUND

- Is the resistance 300.7 ohms?

->YES
GO to Pinpoint Test G834560t6.

->NO
Install a new steering wheel audio control switch assembly.

G834560t6 : CHECK THE STEERING WHEEL AUDIO CONTROL VOLUME + SWITCH CIRCUIT
1. OPERATE and HOLD the VOLUME + switch
2. Measure the resistance between:
Information and entertainment module connector, IP087 pin 07, harness side

GROUND

- Is the resistance 146.7 ohms?

->YES
GO to Pinpoint Test G834560t7.

->NO
Install a new steering wheel audio control switch assembly.

G834560t7 : CHECK THE STEERING WHEEL AUDIO CONTROL VOLUME - SWITCH CIRCUIT
1. OPERATE and HOLD the VOLUME - switch
2. Measure the resistance between:
Information and entertainment module connector, IP087 pin 07, harness side

GROUND

- Is the resistance 53.6 ohms?

->YES
No fault is indicated with the steering wheel audio control switches or circuit. Check the integrity of all connections, TEST the system for normal operation.

->NO
Install a new steering wheel audio control switch assembly.

G834560t8 : CHECK THE STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
1. Disconnect the clockspring connector IP042.
2. Measure the resistance between:
Clockspring connector IP042, pin 03, component side
Clockspring connector IP042, pin 06, component side

- Is the resistance 5036.71 ohms?

->YES
GO to Pinpoint Test G834560t13.

->NO
GO to Pinpoint Test G834560t9.

G834560t9 : CHECK THE STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
1. Disconnect the clockspring connector SW001.
2. Measure the resistance between:
Clockspring connector SW001, pin 04, harness side
Clockspring connector SW001, pin 01, harness side

- Is the resistance 5036.71 ohms?

->YES
INSTALL a new clockspring.
TEST the system for normal operation.

->NO
GO to Pinpoint Test G834560t10.

G834560t10 : CHECK THE STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
1. Disconnect the steering wheel audio control switch connector SW003.
2. Measure the resistance between:
Audio control switch connector SW003, pin 04, component side
Audio control switch connector SW003, pin 01, component side

- Is the resistance 5036.71 ohms?

->YES
GO to Pinpoint Test G834560t11.

->NO
Install a new steering wheel audio control switch.

G834560t11 : CHECK THE STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
1. Measure the resistance between:
Clockspring connector SW001, pin 01, harness side
Audio control switch connector SW003, pin 01, harness side

- Is the resistance greater than 5 ohms?

->YES
REPAIR the circuit - audio control switch connector SW003, pin 01 to clockspring connector SW001, pin 01. For additional information, refer to the wiring diagrams. TEST the system for normal operation.

->NO
GO to Pinpoint Test G834560t12.

G834560t12 : CHECK THE STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
1. Measure the resistance between:
Clockspring connector SW001, pin 04, harness side
Audio control switch connector SW003, pin 04, harness side

- Is the resistance greater than 5 ohms?

->YES
REPAIR the circuit - audio control switch connector SW003, pin 04 to clockspring connector SW001, pin 04. For additional information, refer to the wiring diagrams. TEST the system for normal operation.

->NO
No fault is indicated with the steering wheel audio control switches or circuit. Check integrity of all connections and TEST system for normal operation.

G834560t13 : CHECK THE STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
1. Measure the resistance between:
Clockspring connector IP042, pin 03, harness side
Information and entertainment module connector IP087, pin 07, harness side

- Is the resistance greater than 5 ohms?

->YES
REPAIR the circuit - clockspring connector IP042, pin 03 to information and entertainment module connector IP087, pin 07. For additional information, refer to the wiring diagrams. TEST the system for normal operation.

->NO
GO to Pinpoint Test G834560t14.

G834560t14 : CHECK THE STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
1. Measure the resistance between:
Clockspring connector IP042, pin 06, harness side

GROUND point G40AR/1

- Is the resistance greater than 5 ohms?

->YES
REPAIR the circuit - clockspring connector IP042, pin 06 to GROUND point G40AR/1. For additional information, refer to the wiring diagrams. TEST the system for normal operation.

->NO
No fault is indicated with the steering wheel audio control switches or circuit. Check integrity of all connections and TEST system for normal operation.
pro multis · About Operation CHARM