Pinpoint Test A

Pinpoint Test A: No Response/Acknowledgment Received From All Modules On Circuit 914(+)

A1 Check Circuit 914(+) For Front Control Unit, Electronic Automatic Temperature Control And Driver Seat Module
- Disconnect Fuse Cavity No.6 (5A).
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test Value for Circuit 914(+) = 07FF or 03FF?
Yes
Front control Unit, Electronic Automatic Temperature Control and Driver Seat Module OK; GO to A2.
No
Short Circuit in 914(+) between Fuse Cavity No.6 and Front Control Unit, Electronic Automatic Temperature Control or Driver Seat Module; Reconnect Fuse Cavity No.6. GO to A7

A2 Check Circuit 914(+) For Driver Door Module, Vehicle Dynamics Module And Cellular Phone Module (Optional)
- Disconnect Fuse Cavity No.12 (5A).
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test Value for Circuit 914(+) = 01FF or 03FF?
Yes
Driver's Door Module, Vehicle Dynamics Module and Cellular Phone Module OK, GO to A3
No
Short Circuit in 914(+); between Fuse Cavity No. 12 and one of the following modules; Driver Door Module, Vehicle Dynamics Module, Cellular Phone Module (Optional); Reconnect fuses in Cavity No.6 and 12; GO to A12

A3 Check Short In Circuit 914(+) Between DLC And Virtual Image Cluster Module
- Disconnect Harness Connector C4 (8-Way), between harnesses 14A488 and 14B242.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test Value for Circuit 914(+) = 01FF or 03FF?
Yes
Short Circuit in 914(+) between DLC Pin No.2 and Virtual Image Cluster connector; Reconnect connector C4 (8-Way); GO to A17
No
Virtual image cluster module OK. Reconnect harness connector C4 (8-way); GO to A4

A4 Check Short In Circuit 914(+) Between Connector C2 (40-way, Black) And PCM
- Disconnect harness connector C2 (40-way, Black), between harnesses 14A488 and 14398.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test Value for Circuit 914(+) = 01FF or 03FF?
Yes
PCM OK; Reconnect harness connector C2; GO to A5
No
Short Circuit in 914(+) between harness connector C2 (40-Way, Black) and PCM. Reconnect harness connector C2; GO to A18

A5 Check Short In Circuit 914(+) Between Harness Connector C3 (40-Way, Brown) and Anti-lock Brake System Module
- Disconnect harness connector No.3 (40-way, brown), between harnesses 14A488 and 14290.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Anti-lock Brake System Module OK; Reconnect harness connector C3 (40-Way, brown); GO to A6
No
Short Circuit in 914(+) between harness connector C3 (40-way, brown) and anti-lock brake system module; Reconnect harness connector C3; GO to A20

A6 Check Short In Circuit 914(+) Between Harness Connector C5 (84-way) And Lighting Control Module
- Disconnect harness connector C5 (84-Way), between harnesses 14A488 and 14401.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test Value for Circuit 914(+) = 01FF or 03FF?
Yes
Lighting Control Module OK. Reconnect harness connector C5 (84-Way); Replace Circuit 914(+) between harness connector C4 (8-way), harness connector C5 (8-way), harness connector C2, harness connector C3 and Terminal Fuse Cavity No.6.
No
Short Circuit in 914(+) between harness connector C5 (84-Way) and Lighting Control Module; Reconnect harness connector C5; GO to A21

A7 Check Short Circuit 914(+) In Driver Seat Module
- Disconnect Driver Seat Module from harness 14A488.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test Value for Circuit 914(+) = 01FF or 03FF?
Yes
Reconnect Driver Seat Module, GO to A8.
No
Short in Driver Seat Module. Replace Driver Seat Module and Retest the Multiplex Communication Network. Service as necessary.

A8 Check Short Circuit 914(+) In Front Control Unit Module
- Disconnect Front Control Unit from harness 14B242.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Reconnect Front Control Unit. GO to A9.
No
Short in Front Control Unit Module. Replace front control Unit module. Retest the Multiplex Communication Network. Service as necessary.

A9 Check Short Circuit 914(+) In Electronic Automatic Temperature Control Module
- Disconnect Electronic Automatic Temperature Control Module from harness 14B242.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Reconnect Electronic Automatic Temperature Control Module GO to A10
No
Short in Electronic Automatic Temperature Control Module. Replace Electronic Automatic Temperature Control Module and Retest the Multiplex Communication Network. Service as necessary.

A10 Check Short In Circuit 914(+) Between Front Control Unit And Electronic Automatic Temperature Control Modules
- Disconnect harness connector C4 (8-way), between harnesses 14A488 and 14B242.
- Measure voltage at Front Control Unit connector between Circuit 914(+) and signal ground.

Is voltage between 0.4 - 5.5 volts?
Yes
GO to A11
No
Short Circuit in 914(+) between Front Control Unit connector, harness connector C4 (8-way) and Electronic Automatic Temperature Control connector. Service as necessary.

A11 Check Short In Circuit 914(+) Between Connector C4 And Driver Seat Module
- Measure voltage at Driver Seat Module connector between Circuit 914(+) and signal ground.

Is voltage between 0.4 - 5.5 volts?
Yes
Reconnect harness connector C4 (8-way). Retest link. RETURN to original section to Service customer complaint.
No
Short Circuit in 914(+) between Driver Seat Module harness connector, connector C4 (8-way) and Fuse Cavity No.6. Reconnect harness connector C4 (8-way). Service as necessary.

A12 Check Short Circuit 914(+) In Driver Door Module
- Disconnect Driver Door Module from harness 14A488.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Driver's Door Module OK. Reconnect Driver Door Module. GO to A13.
No
Short in Driver Door Module. Replace Driver Door Module and Retest the Multiplex Communication Network. Service as necessary.

A13 Check Short Circuit 914(+) From Vehicle Dynamics Module To Cellular Phone Module
- Disconnect harness connector C6 (14-way) between harnesses 14A488 and 14A005.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Reconnect harness connector C6 (14-way). GO to A14
No
Short in Circuit 914(+) between harness connector C6 (14-way) and Cellular Phone Module. GO to A15

A14 Check Short Circuit 914(+) In Vehicle Dynamics Module
- Disconnect Vehicle Dynamics Module from harness 14A488.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Short Circuit 914(+) between Vehicle Dynamics Module connector, harness connector C6, Fuse Cavity No.12 and Driver Door Module connector. Service as necessary.
No
Short in Vehicle Dynamics Module. Replace Vehicle Dynamics Module and Retest the Multiplex Communication Network. Service as necessary.

A15 Check Short In Circuit 914(+) Between Harness Connector C6 And Cellular Phone Module
- Disconnect Harness connector C7 (14-way), between harnesses 14A005 and 19A442.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Short Circuit 914(+) betwen Connector C6 and C7. Service as necessary.
No
Short Circuit 914(+) betwen Connector C7 and Cellular Phone Module. GO to A16.

A16 Check Short In Circuit 914(+) Between Connector C7 And Cellular Phone Module
- Disconnect Cellular Phone Module (if installed) from harness 19A442.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value Circuit 914(+) = 01FF or 03FF?
Yes
Cellular phone module OK. Short Circuit 914(+) between harness connector C7 and Cellular Phone Module harness connector. Service as necessary.
No
Short in Cellular Phone Module. Replace Cellular Phone Module and Retest the Multiplex Communication Network. Service as necessary.

A17 Check Short Circuit 914(+) In Virtual Image Cluster Module
- Disconnect Virtual Image Cluster Module from harness 14B242.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Short Circuit 914(+) between DLC Pin No.2, harness connector C4 (8-way) and Virtual Image Cluster harness connector. Service as necessary.
No
Short in Virtual Image Cluster Module. Replace Virtual Image Cluster Module and Retest the Multiplex Communication Network. Service as necessary.

A18 Check Short In Circuit 914(+) Between Harness Connector C1 (16-way) And PCM
- Disconnect harness connector C1 (16-way) between harnesses 14398 and 12A581.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Short Circuit in 914(+) between harness connector C2 (40-way, Black) and Connector No.1(16-way). Service as necessary.
No
Short Circuit 914(+) between harness connector C1 (16-way) and PCM. Reconnect harness connector C1 (16-way). GO to A19.

A19 Check Short Circuit 914(+) In PCM
- Disconnect PCM from harness.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Short Circuit 914(+) between harness connector C1 and PCM connector. Service as necessary.
No
Short in PCM. Replace PCM and Retest the Multiplex Communication Network. Service as necessary.

A20 Check Short Circuit 914(+) In Anti-lock Brake System Module
- Disconnect Anti-lock Brake System Module from harness.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Short Circuit 914(+) between harness connector C3, Anti-lock Brake System harness connector and Evac and Fill connector. Service as necessary.
No
Short in Anti-lock Brake System Module. Replace Anti-lock Brake System Module and Retest the Multiplex Communication Network. Service as necessary.

A21 Check Short Circuit 914(+) In Lighting Control Module
- Disconnect Lighting Control Module from harness.
- Perform Multiplex Communication Network Diagnostic Test via New Generation Star Tester.

Test value for Circuit 914(+) = 01FF or 03FF?
Yes
Short Circuit in 914(+) between harness connector C5 (84-way) and Lighting Control Module harness connector. Service as necessary.
No
Short in Lighting Control Module. Replace Lighting Control Module and Retest the Multiplex Communication Network. Service as necessary.