Circuit Inspection
| CAN Communication Line Inspection | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Reference | ||
| Connector | Terminal | Connector | Terminal | ||
|
TCM connector | 43 (P-CAN high) | Chassis ground | - | Fig.1 |
| TCM connector | 52 (P-CAN low) | Chassis ground | - | ||
|
TCM connector | 43 (P-CAN high) | ECM connector | 77 (P-CAN high) | Approx. below 1Ω |
| TCM connector | 52 (P-CAN low) | ECM connector | 60 (P-CAN low) | Approx. below 1Ω | |
| TCM connector | 43 (P-CAN high) | TCM connector | 52 (P-CAN low) | Approx. 60Ω | |
| ECM (component side) | 77 (P-CAN high) | ECM (component side) | 60 (P-CAN low) | Approx. 120Ω | |
| ICU (component side) | 19 (P-CAN high) | ICU (component side) | 20 (P-CAN low) | Approx. 120Ω | |
|
TCM connector | 43 (P-CAN high) | Chassis ground | - | ∞ (infinity)Ω |
| TCM connector | 52 (P-CAN low) | Chassis ground | - | ∞ (infinity)Ω | |
Good
- Go to "Module Circuit Inspection" procedure.
No Good
- Repair open or short in circuit and then Go to "VERIFICATION OF REPAIR " procedure.
| Module Circuit Inspection | |||||
|---|---|---|---|---|---|
| Inspection Condition | (+) Probe | (-) Probe | Reference | ||
| Connector | Terminal | Connector | Terminal | ||
|
TCM connector | 67, 68 (Memory power) | Chassis ground | - | B+ |
|
TCM connector | 17 (ON/START Input) | Chassis ground | - | B+ |
|
TCM connector | 71, 73, 74 (ground) | Chassis ground | - | Approx. below 1Ω |
Good
- Go to "COMPONENT INSPECTION " procedure.
- Repair as necessary and then Go to "VERIFICATION OF REPAIR " procedure.
No Good
- Repair open or short in circuit and then Go to "VERIFICATION OF REPAIR " procedure.