Circuit Inspection
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
HO2S (bank1, sensor1) connector | 2 (nernst voltage) | Chassis ground | - | Approx. 0V |
| HO2S (bank1, sensor1) connector | 1 (virtual ground) | Chassis ground | - | Approx. 0V | |
| HO2S (bank1, sensor1) connector | 6 (trim resistor) | Chassis ground | - | Approx. 0V | |
| HO2S (bank1, sensor1) connector | 3 (pumping line) | Chassis ground | - | Approx. 0V | |
|
HO2S (bank1, sensor1) connector | 2 (nernst voltage) | Chassis ground | - | ∞ (infinity)Ω |
| HO2S (bank1, sensor1) connector | 6 (trim resistor) | Chassis ground | - | ∞ (infinity)Ω | |
| HO2S (bank1, sensor1) connector | 3 (pumping line) | Chassis ground | - | ∞ (infinity)Ω | |
| HO2S (bank1, sensor1) connector | 2 (nernst voltage) | ECM connector | 58 (nernst voltage) | Approx. below 1Ω | |
| HO2S (bank1, sensor1) connector | 1 (virtual ground) | ECM connector | 43 (virtual ground) | Approx. below 1Ω | |
| HO2S (bank1, sensor1) connector | 6 (trim resistor) | ECM connector | 44 (trim resistor) | Approx. below 1Ω | |
| HO2S (bank1, sensor1) connector | 3 (pumping line) | ECM connector | 59 (pumping line) | Approx. below 1Ω | |
Good
- Go to "COMPONENT INSPECTION " procedure.
No Good
- Repair or replace as necessary and then, go to "VERIFICATION OF REPAIR " procedure.