Inspection and Verification
- Verify the customer concern.
- Visually inspect for obvious signs of electrical damage. VISUAL INSPECTION CHART Electrical Battery junction box (BJB) fuse 29 (80A) Smart junction box (SJB) fuse 9 (20A) Wiring harness Connections
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the cause is not visually evident, connect the diagnostic tool to the data link connector and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle: check that the program card is correctly installed. check the connections to the vehicle. check the ignition switch position.
- If the diagnostic tool still does not communicate with the vehicle, GO to «PINPOINT TEST O»(ref-233024-S26098093452006052400000) .
- GO to «PINPOINT TEST PC»(ref-233024-S36160468962006052400000) .
Diagnostic Trouble Code (DTC) Index
| DTC | Description | Source | Action |
|---|---|---|---|
| U0001 | High Speed Communication Bus | DEM | GO to PINPOINT TEST M . |
| U0002 | High Speed Communication Bus Performance | Instrument Cluster | GO to PINPOINT TEST M . |
| U0020 | Low Speed Communication Bus Performance | Instrument Cluster | GO to PINPOINT TEST N . |
| U0073 | High Speed Communication Bus | Transmission Control Module (TCM) | GO to PINPOINT TEST M . |
| U1900 | CAN Communication Bus Fault | ABS Module | GO to PINPOINT TEST M . |
| U1900 | CAN Communication Bus Fault | Audio Unit | GO to PINPOINT TEST N . |
| U1900 | CAN Communication Bus Fault | DSM | GO to PINPOINT TEST N . |
| U1900 | CAN Communication Bus Fault | RCM | GO to PINPOINT TEST M . |
| U1900 | CAN Communication Bus Fault | SJB | GO to PINPOINT TEST N . |
| U1900 | CAN Communication Bus Fault - Receive Error (high speed CAN) | Instrument Cluster | GO to PINPOINT TEST M . |
| U1901 | CAN Network #2 Communication BUS Fault - Receive Error (medium speed CAN) | Instrument Cluster | GO to PINPOINT TEST N . |
DIAGNOSTIC TROUBLE CODE (DTC) INDEX
PINPOINT TEST PC: DATA LINK DIAGNOSTICS TEST
- PC1 DATA LINK DIAGNOSTICS TEST Key in ON position. Carry out the «PINPOINT TEST PC: DATA LINK DIAGNOSTICS TEST»(ref-233024-S36160468962006052400000) . Is system passed obtained? Yes : The test passed. RETURN to the Symptom Chart of the section for the module in question. No : If international standards organization (ISO) 9141 communications network circuit fault; all electronic control units no response/not equipped, GO to «PINPOINT TEST L»(ref-233024-S27650953712006052400000) . If high speed controller area network (CAN) circuit faults; all electronic control units no response/not equipped, GO to «PINPOINT TEST M»(ref-233024-S19881955352006052400000) . If medium speed CAN circuit faults; all electronic control units no response/not equipped, GO to «PINPOINT TEST N»(ref-233024-S26951296552006052400000) . If no response from the diagnostic tool, GO to «PINPOINT TEST O»(ref-233024-S26098093452006052400000) . If the module in question is no response/not equipped, GO to «SYMPTOM CHART»(ref-233024-S32786547432006052400000) .
Symptom Chart
| Condition | Possible Sources | Action |
|---|---|---|
| The differential electronic module (DEM) does not respond to the diagnostic tool | Circuit or connection in the high speed controller area network (CAN) DEM | GO to PINPOINT TEST A . |
| The anti-lock brake system (ABS) module does not respond to the diagnostic tool | Circuit or connection in the high speed controller area network (CAN) ABS module | GO to PINPOINT TEST B . |
| The transmission control module (TCM) does not respond to the diagnostic tool - continuously variable transaxle (CVT) | Circuit or connection in the high speed controller area network (CAN) TCM | GO to PINPOINT TEST C . |
| The transmission control module (TCM) does not respond to the diagnostic tool - 6-speed transaxle | Circuit or connection in the high speed controller area network (CAN) TCM | GO to PINPOINT TEST D . |
| The instrument cluster does not respond to the diagnostic tool | Circuit or connection in the high speed controller area network (CAN) Circuit or connection in the medium speed CAN Instrument cluster | GO to PINPOINT TEST E . |
| The powertrain control module (PCM) does not respond to the diagnostic tool | Circuit or connection in the high speed controller area network (CAN) PCM | GO to PINPOINT TEST F . |
| The restraint control module (RCM) does not respond to the diagnostic tool | Circuit or connection in the high speed controller area network (CAN) RCM | GO to PINPOINT TEST G . |
| The audio unit does not respond to the diagnostic tool | Circuit or connection in the medium speed controller area network (CAN) Audio unit | GO to PINPOINT TEST H . |
| The driver seat module (DSM) does not respond to the diagnostic tool | Circuit or connection in the medium speed controller area network (CAN) DSM | GO to PINPOINT TEST I . |
| The dual automatic temperature control (DATC) module does not respond to the diagnostic tool | Circuit or connection in the medium speed controller area network (CAN) DATC module | GO to PINPOINT TEST J . |
| The digital versatile disc (DVD) player does not respond to the diagnostic tool | Circuit or connection in the medium speed controller area network (CAN) DVD player | GO to PINPOINT TEST K . |
| The smart junction box (SJB) does not respond to the diagnostic tool | Circuit or connection in the medium speed controller area network (CAN) SJB | GO to PINPOINT TEST N . |
| The parking aid module (PAM) does not respond to the diagnostic tool | Circuit or connection in the international standards organization (ISO) 9141 communications network PAM | GO to PINPOINT TEST L . |
| No international standards organization (ISO) 9141 communications network communication | Circuit or connection in the ISO 9141 communications network Parking aid module (PAM) | GO to PINPOINT TEST L . |
| No high speed controller area network (CAN) communication | Circuit or connection in the high speed CAN Anti-lock brake system (ABS) module Differential electronic module (DEM) (if equipped) Instrument cluster Powertrain control module (PCM) Restraint control module (RCM) Transmission control module (TCM) - 6-speed transaxle TCM - continuously variable transaxle (CVT) | GO to PINPOINT TEST M . |
| No medium speed controller area network (CAN) communication | Circuit or connection in the medium speed CAN Audio unit Digital versatile disc (DVD) player (if equipped) Driver seat module (DSM) (if equipped) Dual automatic temperature control (DATC) module (if equipped) Instrument cluster Smart junction box (SJB) | GO to PINPOINT TEST N . |
| No module/network communication - no power to the diagnostic tool | Data link connector (DLC) C251 Smart junction box (SJB) fuse 9 (20A) Circuitry Diagnostic tool | GO to PINPOINT TEST O . |
SYMPTOM CHART
