|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
09
|
RADIO TER. MRQ
|
Ignition ON
|
|
121
|
10
|
|
|
|
Radio OFF
|
HIGH 5V
|
|
|
|
|
|
Radio ON
|
HIGH 5V
|
|
|
|
|
|
Program search
|
|
|
|
|
|
|
Carry out radio bus actuator
test
|
|
|
|
|
|
|
|
|
|
|
|
Notes for Trouble-shooting:
|
Nominal Value:
|
Cause of Fault:
(If nominal value is not attained)
|
|
· Ignition OFF
|
|
|
|
· Remove radio H1
|
|
|
|
· Ignition ON
|
HIGH 5V
|
|
|
· Using multimeter, measure voltage at
radio wiring harness plug Ter. 18 to ground
|
between 4.5 and 5.5 volts
|
· Lead from TID wiring harness plug Ter.
10 to radio wiring harness plug Ter. 18 is interrupted or has short circuit
to ground
|
|
|
|
· Lead from TID wiring harness plug Ter.
10 to radio wiring harness plug Ter. 18 has short circuit to battery voltage
|
|
|
|
· TID defective
|
|
|
|
If nominal
value is attained:
|
|
|
|
|
|
|
|
· Radio H1 defective
|
|
· Ignition OFF
|
|
|
|
· Remove instrument assembly and
disconnect TID wiring harness plug
|
|
|
|
· Using multimeter, check for passage in
lead from TID wiring harness plug Ter. 10 to radio wiring harness plug Ter.
18
|
lower than 2 W
|
· Lead from TID wiring harness plug Ter.
10 to radio wiring harness plug Ter. 18 is interrupted
|
|
· Using multimeter, measure resistance
from TID wiring harness plug Ter. 10 to ground
|
higher than 100 kW
|
· Lead to TID wiring harness plug Ter. 10
has short circuit to ground
|
|
· Using multimeter, measure voltage
in TID wiring harness plug Ter. 10 to ground
|
lower than 0.5 V
|
· Lead from TID wiring harness plug
Ter. 10 to radio wiring harness plug Ter. 18 has short circuit to battery
voltage
|
|
|
|
· TID defective
|
|
|
|
If nominal
value is attained:
|
|
|
|
· Radio H1 defective
|
|
|
|
|
|
|
|
|
|
|
|
