Pinpoint Test B: Diagnostic Module Tank Leakage Tests

WARNING: This page is about a different car, the 2018 Jaguar F-Pace. However, it is still accessible from the selected car via links, so may be relevant.

B1: DIAGNOSTIC MODULE TANK LEAKAGE TEST 1
1. Using the manufacturer approved diagnostic system, perform routine - Evaporative System Diagnostic Check - and use the combustible gas detector to check for leaks
  Was a leak detected around the fuel filler cap?
  - Yes : GO to B2.
  - No : GO to B3.
B2: DIAGNOSTIC MODULE TANK LEAKAGE TEST 2
1. Tighten the fuel filler cap securely (until 3 clicks are heard)
2. Using the manufacturer approved diagnostic system, perform routine - Evaporative System Diagnostic Check - and use the combustible gas detector to check for leaks
  Test passed?
  - Yes : Repair complete. Advise the customer to always tighten the fuel filler cap securely (until 3 clicks are heard)
  - No : GO to B3.
B3: DIAGNOSTIC MODULE TANK LEAKAGE TEST 3
1. Consider the previous test results
  Was a leak detected by the routine?
  - Yes : GO to B4.
  - No : Diagnostic module tank leakage system circuit fault. Check DTCs and refer to the relevant DTC Index. Repair the circuit fault as necessary. GO to PINPOINT TEST E .
B4: DIAGNOSTIC MODULE TANK LEAKAGE TEST 4
1. Consider the previous test results
  Was the source of the leak identified?
  - Yes : Repair as necessary. GO to PINPOINT TEST E .
  - No : GO to PINPOINT TEST C .

NOTE: When the vehicle has been exposed to cold ambient temperatures, it is possible for the DMTL filter to become blocked with snow or ice. This can cause a leak to be detected in error as the DMTL pump will be unable to pressurise the fuel tank within the prescribed time.