|
No.
|
TECH 1 Display
|
Conditions for Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
01
|
BATTERY VOLTAGE
|
Ignition ON
Switch off all consumers
Engine running at idle speed
|
10.8 to 13.5 V
13.0 to 16.5 V
|
49
|
A6 / B1
|
|
|
|
|
|
|
|
|
Notes on
Trouble-shooting:
|
Nominal
Value:
|
Cause of
fault:
(If nominal
value is not attained)
|
|
· Ignition ON
· Using
multimeter, measure voltage:
from: battery +, Ter. 30
to: battery - , Ter. 31
|
higher than 11 V
|
· Battery
discharged
· Battery short
circuit in cell
· Corroded
contacts
|
|
· Start engine
· Using
multimeter, measure voltage:
from: battery +, Ter. 30
to: ground
|
higher than 8 V and
starter
running
|
· Check starter
circuit
· Check M1
starter
|
|
· Engine running
at idle speed
· Using
multimeter, measure voltage:
from: battery +, Ter. 30
to: ground
|
higher than 13 V
|
· Check G2
alternator or regulator
|
|
· Ignition OFF
· Disconnect
wiring harness plug from:
K57 engine control unit
· Using
multimeter, measure voltage:
from: K57 wiring harness plug for engine control unit
Ter. A6
to ground
|
higher than 11 V
|
· Short circuit
to ground or circuit interruption
from: K57 wiring harness plug for engine control unit
Ter. A6
to: battery +, Ter. 30
· Fault in
circuit:
K58 fuel pump relay
|
|
· Using
multimeter, measure voltage:
from: K57 wiring harness plug for engine control unit
Ter. F3, E16
to: ground
|
lower than 0.1 V
|
· Short circuit
to voltage
from: K57 wiring harness plug for engine control unit
Ter. F3, E16
to: S1 ignition lock Ter.15
· S1 ignition
lock defective
|
|
· Ignition ON
Using multimeter, measure voltage:
from: K57 wiring harness plug for engine control unit
Ter. F3, E16
to: ground
|
higher than 11 V
|
· Short circuit
to ground or circuit interruption
from: K57 wiring harness plug for engine control unit
Ter. F3, E16
to: S1 ignition lock Ter.15
· S1 ignition
lock defective
· Fault in
circuit:
K58 fuel pump relay or L2 direct ignition module or
P47 camshaft sensor
|
|
· Using
multimeter, measure voltage:
from: K57 wiring harness plug for engine control unit
Ter. A6, F3, E16
to: K57 wiring harness plug for engine control
unit B1, E7, F7, E9, F16
|
higher than 11 V
|
· Circuit
interruption
from: K57 wiring harness plug for engine control unit
B1, E7, F7, E9, F16
to: battery - , Ter. 31
|
|
|
If nominal values are attained
|
· K57 engine
control unit defective
|
|
|
|
|
|
|
|
|
|
|
|
|
