Special tool
 | Digital Multimeter 105-R0051 or equivalent |
 | Electrical Probe Kit 29-011A |
 | WDS (Worldwide Diagnostic System) 418-F224 |
Inspection and verification
1. Check the customer complaint.
2. Perform a visual inspection for obvious signs of mechanical or electrical damage.
Visual inspection table
Electrical factors
- Fuse Box(s)
- Wiring harness
- Electrical connector(s)
3. If an obvious cause for the problem you have identified or the customer has described is found, correct it (if possible) before proceeding with further actions.
4. If the cause is not visually obvious, check the malfunction symptom and refer to the Malfunction Symptom Table.
Table of signs of malfunction
|
State |
Possible Causes |
Action |
|
•Airbag module does not respond to diagnostic tool request (ISO 9141 Channel K) |
•Fuse(s) •Electrical circuit(s) •Airbag module |
• Proceed to PINPOINT TEST G |
|
•Xenon headlight control module/headlight leveling sensor does not respond to diagnostic tool request (Channel K ISO 9141) |
•Electrical circuit(s) •Xenon headlight control module/headlight leveling sensor |
• Proceed to PINPOINT TEST H |
|
•The Electronic Automatic Temperature Control (EATC) module does not respond to the diagnostic tool request (ISO 9141 Channel K, SCP bus) |
•Fuse(s) •Electrical circuit(s) •Electronic Automatic Temperature Control (EATC) module |
• Proceed to PINPOINT TEST I |
|
•The ABS module and, accordingly, the Electronic Stability Program (ESP) module do not respond to the diagnostic tool request (Channel K ISO 9141, SCP bus) |
•Fuse(s) •Electrical circuit(s) •ABS module and, accordingly, the electronic stability program (ESP) module |
• Proceed to PINPOINT TEST J |
|
•Additional heater does not respond to diagnostic tool request (Channel K ISO 9141) |
•Fuse(s) •Electrical circuit(s) •Additional heater |
• Proceed to PINPOINT TEST K |
|
•Generic Electronic Module (GEM) does not respond to diagnostic tool request (ISO 9141 Channel K) |
•Fuse(s) •Electrical circuit(s) •Ignition switch •General Electronic Module (GEM) |
• Proceed to PINPOINT TEST L |
|
•Trip computer module does not respond to diagnostic tool request (ISO 9141 Channel K) |
•Fuse(s) •Electrical circuit(s) •Trip computer module |
• Proceed to PINPOINT TEST M |
|
•The powertrain control module (PCM) does not respond to a scan tool request (SCP bus) |
•Fuse(s) •Electrical circuit(s) •Power maintenance relay •Powertrain Control Module (PCM) |
• Proceed to PINPOINT TEST N |
|
•The instrument cluster does not respond to the diagnostic tool request (SCP bus) |
•Fuse(s) •Electrical circuit(s) •Instrument panel |
• Proceed to PINPOINT TEST O |
|
•Auxiliary instrument cluster (DURATEC-ST only) does not respond to diagnostic tool request (SCP bus) |
•Fuse(s) •Electrical circuit(s) •Auxiliary instrument panel |
• Proceed to PINPOINT TEST P |
|
•Powertrain Control Module (PCM) (DURATEC-ST only) does not respond to scan tool request (CAN bus) |
•Fuse(s) •Electrical circuit(s) •Powertrain Control Module (PCM) |
• Proceed to PINPOINT TEST Q |
|
•No module/communication with modules (SCP bus) |
•Electrical circuit(s) •Powertrain Control Module (PCM) •Instrument panel •Auxiliary instrument panel •Electronic Automatic Temperature Control (EATC) module •ABS module and, accordingly, the electronic stability program (ESP) module |
• Proceed to PINPOINT TEST R |
|
•No module/communication with modules (CAN bus) (Endura-DI and DuraTorq TDCi only) |
•Electrical circuit(s) •Powertrain Control Module (PCM) •Injector control module •Diesel engine fuel pump |
• Proceed to PINPOINT TEST S |
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