P1418
27B2 - P1418Information saved in
DME
Fault code
27B2 - P1418
Fault text
Secondary air-injection system flow rate, main branch
Fault description
Condition for fault identification
Test condition:
Continuous compliance with secondary air-injection system
conditions
Terminal condition: Engine running
Voltage condition:
ub > K_DIAG_TR_Plus_Min
Condition for fault memory entry
sls_obdh_lam_asv_intg_norm above threshold
Action in service
1. If vacuum-controlled secondary air-injection valve (prod.
date 09/04 - ??/05) is still installed, replace it.
2. Perform test on secondary air-injection pump using same
basic procedure as with test of secondary air-injection pump
using pump relay
3. Check main line for reduction in effective internal
diameter
4. Check mini-HFM, replace as indicated
Fault effect and breakdown warning
MIL is on after 2x engine cold start
Driver information
Warning light:
No
Service instruction
none