DTC Suzuki B1321 Short Explanation
Channel: Maxidot
Date: 20/11/2020

The video focuses on the basic Suzuki specific diagnostic error code.
Contents:
0:21 Basic DTC analysis according to OBD2 protocol standard.
1:48 Insight into programming
- an explanation of what a bit is and how a byte is formed
- decoding the Error Code to the base programming
2:58 A diagnostically understandable description of the Diagnostic Trouble Code
3:05 Basic error definition
- Possible causes or errors of the car and its parts describing the mentioned error

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Make:
Suzuki
Code:
B1321
Definition:
Evaporative Emission System Leak Detection Pump Control Circuit Low
Description:
Monitor runs whenever following DTCs are not present: None Atmospheric pressure: 70 to 110 kPa-a (525 to 825 mmHg-a) Battery voltage: 10.5 V or more Vehicle speed: Below 2.5 mph (4 km or h) Power switch: OFF Time after key off: 5, 7 or 9.5 hours Canister pressure sensor malfunction (P0452 and P0453): Not detected Purge VSV: Not operated by scan tool Vent valve: Not operated by scan tool Leak detection pump: Not operated by scan tool Both of the following conditions are met before key off: Conditions 1 and 2 1. Duration that vehicle driven: 5 minutes or more 2. EVAP purge operation: Performed Engine coolant temperature: 4.4 to 35°C (40 to 95°F) Intake air temperature: 4.4 to 35°C (40 to 95°F)
Cause:
 Canister pump module Connector or wire harness (canister pump module - hybrid vehicle control ECU) Hybrid vehicle control ECU