Circuit Inspection
WARNING: This page is about a different car, the 2021 Kia Soul. However, it is still accessible from the selected car via links, so may be relevant.
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
IBU connector | 35 (P-CAN high) | Chassis ground | - | Fig. 1 |
| IBU connector | 36 (P-CAN low) | Chassis ground | - | ||
|
IBU connector | 35 (P-CAN high) | Chassis ground | - | ∞ (infinity)Ω |
| IBU connector | 36 (P-CAN low) | Chassis ground | - | ∞ (infinity)Ω | |
| IBU connector | 35 (P-CAN high) | ICU connector | 12 (P-CAN high) | Approx. below 1Ω | |
| IBU connector | 36 (P-CAN low) | ICU connector | 11 (P-CAN low) | Approx. below 1Ω | |
| IBU connector | 35 (P-CAN high) | IBU connector | 36 (P-CAN low) | Approx. 60Ω | |
| ICU (component side) | 12 (P-CAN high) | ICU (component side) | 11 (P-CAN low) | Approx. 120Ω | |
| ECM (component side) (1.6T-GDI) | 85 (P-CAN high) | ECM (component side) (1.6T-GDI) | 63 (P-CAN low) | Approx. 120Ω | |
| PCM (component side) (2.0MPI) | 77 (P-CAN high) | PCM (component side) (2.0MPI ATKINSON) | 60 (P-CAN low) | Approx. 120Ω | |
Good
- Disconnect P-CAN communication units one by one and monitor DTC to find the cause.
- If the DTC erase, substitute with a known-good unit and check for proper operation. If the problem is corrected, replace the unit and go to "Verification of Repair " procedure.
No Good
- Check for open, short to battery or ground in P-CAN line.
- Repair as necessary, go to "Verification of Repair " procedure.