Multec- S X 14 XE / X 16 XE (L) F0:DATA LIST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 22 | SEC.AIR PUMP REL | Engine running at idle speed, cold | |||
| ACTIVE | |||||
| 52, 53 | A10 | ||||
| Engine running at idle speed, operating temperature | INACTIVE | ||||
| Notes on Trouble-shooting: | Nominal Value: | Cause of fault: |
(If nominal value is not attained)
· Ignition OFF
· Disconnect from base:
K12 secondary air injection relay
· Using multimeter, measure voltage
from: K12 base of secondary air injection relay Ter. 8
to: ground
| higher than 11 V | · F49 fuse defective |
· Short circuit to ground or circuit interruption
from: K12 base of secondary air injection relay Ter. 8
| to: battery +, Ter. 30 |
· Disconnect from base:
K58 fuel pump relay
· Bridge wiring harness plug
from: K58 base of fuel pump relay Ter. 2
to: K58 base of fuel pump relay Ter. 8
· Ignition ON
· Using multimeter, measure voltage
from: K12 base of secondary air injection relay Ter. 4
to: ground
| higher than 11 V | · Check according to data list no. 12 FUEL PUMP RELAY |
· Using multimeter, measure voltage
from: K12 base of secondary air injection relay Ter. 6
| to: ground | lower than 0.1 V | · Short circuit to voltage |
from: K12 base of secondary air injection relay Ter. 6
to: K57 wiring harness plug for engine control unit Ter. A10
· K57 engine control unit defective
· Using multimeter, measure voltage
from: K12 base of secondary air injection relay Ter. 2 and Ter. 5
to: ground
| lower than 0.1 V |
|---|
| · Short circuit to voltage |
from: K12 base of secondary air injection relay Ter. 2 and Ter. 5
to: M27 secondary air injection pump
· Ignition OFF
· Using multimeter, measure resistance:
from: K12 base of secondary air injection relay Ter. 5
to: ground
| lower than 2 W | · Circuit interruption |
from: K12 base of secondary air injection relay Ter. 5
| to: ground |
· Connect test lamp:
from: K12 base of secondary air injection relay Ter. 4
to: K12 base of secondary air injection relay Ter. 6
· Ignition ON
· Using TECH 1, carry out:
5:ACTUATOR TEST
SEC. AIR P.REL
| Test lamp ON |
|---|
| · Short circuit to ground or circuit interruption |
from: K12 base of secondary air injection relay Ter. 6
to: K57 wiring harness plug for engine control unit Ter. A10
| · K57 engine control unit defective |
· Ignition OFF
· Ignition ON
| Test lamp OFF |
· Bridge wiring harness plug
from: K12 base of secondary air injection relay Ter. 8
| to: K12 base of secondary air injection relay Ter. 2 | M27 secondary air pump ON | · Short circuit to ground or circuit interruption |
from: K12 base of secondary air injection relay Ter. 2
to: M27 secondary air pump
· Circuit interruption
from: M27 secondary air pump
to: ground
· M27 secondary air pump defective
Note:
If M27 secondary air pump does not operate, the thermal protection switch inside the secondary air pump may have interrupted the circuit.
| If nominal values are attained | · K12 secondary air injection relay defective |