Typical Malfunction Thresholds
P1441 AIR valve bank 1 open stuck:
TYPICAL MALFUNCTION THRESHOLDS
| When both conditions below are met: | Condition 1 and 2 |
| 1. When one of the following conditions is met: | Condition (a), (b) or (c) |
| (a) When both conditions below are met: | Condition (1) and (2) |
| (1) When both conditions below are met (during AIR ON): | - |
| Cumulative pressure pulsation | 15 kPa or more |
| AIR pressure | 1 kPa or more |
| (2) When both conditions below are met (during AIR OFF): | - |
| Cumulative pressure pulsation | 20 kPa or more |
| AIR pressure | Less than 5 kPa |
| (b) When both conditions below are met: | Condition (1) and (2) |
| (1) When both conditions below are met (during AIR ON): | - |
| Cumulative pressure pulsation | 15 kPa or more |
| AIR pressure | 1 kPa or more |
| (2) When both conditions below are met (during AIR OFF): | - |
| Cumulative pressure pulsation | 30 kPa or more |
| AIR pressure | 5 kPa or more |
| (c) When both conditions below are met: | Condition (1) and (2) |
| (1) When both conditions below are met (during AIR ON): | - |
| Cumulative pressure pulsation | 15 kPa or more |
| AIR pressure | Less than 1 kPa |
| (2) When both conditions below are met (during AIR OFF): | - |
| Cumulative pressure pulsation | 20 kPa or more |
| AIR pressure | Less than 5 kPa |
| 2. When one of following conditions is met: | Condition (a), (b) or (c) |
| (a) When both conditions below are met: | Condition (1) or (2) |
| (1) AIR pressure change at monitor sequence 1 | 2.5 kPa or more |
| (2) AIR pressure change at monitor sequence 2 | 2.5 kPa or more |
| (b) AIR pressure change at monitor sequence 1 (for AIR valve bank 1) | Less than 1 kPa |
| (c) AIR pressure change at monitor sequence 2 (for AIR valve bank 1) | Less than 1 kPa |
P1444 AIR valve bank 2 open stuck:
TYPICAL MALFUNCTION THRESHOLDS
| When both conditions below are met: | Condition 1 and 2 |
| 1. When one of the following conditions is met: | Condition (a), (b) or (c) |
| (a) When both conditions below are met: | Condition (1) and (2) |
| (1) When both conditions below are met (during AIR ON): | - |
| Cumulative pressure pulsation | 15 kPa or more |
| AIR pressure | 1 kPa or wore |
| (2) When both conditions below are met (during AIR OFF): | - |
| Cumulative pressure pulsation | 20 kPa or more |
| AIR pressure | Less than 5 kPa |
| (b) When both conditions below are met: | Condition (1) and (2) |
| (1) When both conditions below are met (during AIR ON): | - |
| Cumulative pressure pulsation | 15 kPa or more |
| AIR pressure | 1 kPa or more |
| (2) When both conditions below are met (during AIR OFF): | - |
| Cumulative pressure pulsation | 30 kPa or more |
| AIR pressure | 5 kPa or more |
| (c) When both conditions below are met: | Condition (1) and (2) |
| (1) When both conditions below are met (during AIR ON): | - |
| Cumulative pressure pulsation | 15 kPa or more |
| AIR pressure | Less than 1 kPa |
| (2) When both conditions below are met (during AIR OFF): | - |
| Cumulative pressure pulsation | 20 kPa or more |
| AIR pressure | Less than 5 kPa |
| 2. When one of following conditions is met: | Condition (a), (b) or (c) |
| (a) When both conditions below are met: | Condition (1) or (2) |
| (1) AIR pressure change at monitor sequence 1 | 2.5 kPa or more |
| (2) AIR pressure change at monitor sequence 2 | 2.5 kPa or more |
| (b) AIR pressure change at monitor sequence 1 (for AIR valve bank 2) | Less than 1 kPa |
| (c) AIR pressure change at monitor sequence 2 (for AIR valve bank 2) | Less than 1 kPa |
P1441 and P1444 AIR valve bank 1 and bank 2 open stuck:
TYPICAL MALFUNCTION THRESHOLDS
| Cumulative pressure pulsation | 100 kPa or more |
P2440 AIR valve open stuck:
TYPICAL MALFUNCTION THRESHOLDS
| When both of conditions are met (during AIR ON): | Condition 1 and 2 |
| 1. Cumulative pressure pulsation | 15 kPa or more |
| 2. AIR pressure | Less than 1 kPa |
| Cumulative pressure pulsation during monitor sequence 4-2 | 20 kPa or more |
P2440 AIR valve bank 1 and bank 2 open stuck:
TYPICAL MALFUNCTION THRESHOLDS
| Cumulative pressure pulsation | 100 kPa or more |