Circuit Inspection
| Module Circuit Inspection | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector | Terminal | Connector | Terminal | ||
|
Front radar connector | 1 (ground) | Chassis ground | - | Approx. below 1Ω |
|
Front radar connector | 6 (ON/START Input) | Chassis ground | - | B+ |
Good
- Go to next procedure.
No Good
- Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.
| CAN communication circuit Inspection (W/O EPB) | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector | Terminal | Connector | Terminal | ||
|
HECU connector | 4 (C-CAN high) | Chassis ground | - | Fig.1 |
| HECU connector | 5 (C-CAN low) | Chassis ground | - | ||
| Front radar connector | 4 (E-CAN high) | Chassis ground | - | Fig.2 | |
| Front radar connector | 5 (E-CAN low) | Chassis ground | - | ||
|
HECU connector | 4 (C-CAN high) | ICU connector | 20 (C-CAN high) | Approx. below 1Ω |
| HECU connector | 5 (C-CAN low) | ICU connector | 19 (C-CAN low) | Approx. below 1Ω | |
| Front radar connector | 4 (E-CAN high) | ICU connector | 31 (E-CAN high) | Approx. below 1Ω | |
| Front radar connector | 5 (E-CAN low) | ICU connector | 32 (E-CAN low) | Approx. below 1Ω | |
|
HECU connector | 4 (C-CAN high) | Chassis ground | - | ∞ (infinity)Ω |
| HECU connector | 5 (C-CAN low) | Chassis ground | - | ∞ (infinity)Ω | |
| Front radar connector | 4 (E-CAN high) | Chassis ground | - | ∞ (infinity)Ω | |
| Front radar connector | 5 (E-CAN low) | Chassis ground | - | ∞ (infinity)Ω | |
|
HECU connector | 4 (C-CAN high) | HECU connector | 5 (C-CAN low) | Approx. 60Ω |
| ICU connector | 20 (C-CAN high) | ICU connector | 19 (C-CAN low) | Approx. 60Ω | |
| Front radar connector | 4 (E-CAN high) | Front radar connector | 5 (E-CAN low) | Approx. 60Ω | |
| ICU connector | 31 (E-CAN high) | ICU connector | 32 (E-CAN low) | Approx. 60Ω | |
| CAN communication circuit Inspection (With EPB) | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
| Connector | Terminal | Connector | Terminal | ||
|
HECU connector | 19 (C-CAN high) | Chassis ground | - | Fig.1 |
| HECU connector | 20 (C-CAN low) | Chassis ground | - | ||
| Front radar connector | 4 (E-CAN high) | Chassis ground | - | Fig.2 | |
| Front radar connector | 5 (E-CAN low) | Chassis ground | - | ||
|
HECU connector | 19 (C-CAN high) | ICU connector | 20 (C-CAN high) | Approx. below 1Ω |
| HECU connector | 20 (C-CAN low) | ICU connector | 19 (C-CAN low) | Approx. below 1Ω | |
| Front radar connector | 4 (E-CAN high) | ICU connector | 31 (E-CAN high) | Approx. below 1Ω | |
| Front radar connector | 5 (E-CAN low) | ICU connector | 32 (E-CAN low) | Approx. below 1Ω | |
|
HECU connector | 19 (C-CAN high) | Chassis ground | - | ∞ (infinity)Ω |
| HECU connector | 20 (C-CAN low) | Chassis ground | - | ∞ (infinity)Ω | |
| Front radar connector | 4 (E-CAN high) | Chassis ground | - | ∞ (infinity)Ω | |
| Front radar connector | 5 (E-CAN low) | Chassis ground | - | ∞ (infinity)Ω | |
|
HECU connector | 19 (C-CAN high) | HECU connector | 20 (C-CAN low) | Approx. 60Ω |
| ICU connector | 20 (C-CAN high) | ICU connector | 19 (C-CAN low) | Approx. 60Ω | |
| Front radar connector | 4 (E-CAN high) | Front radar connector | 5 (E-CAN low) | Approx. 60Ω | |
| ICU connector | 31 (E-CAN high) | ICU connector | 32 (E-CAN low) | Approx. 60Ω | |
Good
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors, replace the front radar and go to "VERIFICATION OF REPAIR " procedure.
No Good
- Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Therefore check terminal of battery, all connectors and connections for looseness, bending, corrosion, contamination, deterioration, and/or damage.
- Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure.