Pinpoint Test B: Diagnostic Module Tank Leakage Tests

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.