|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
07
|
SWITCHED
AERIAL
|
Ignition ON
|
|
121
|
8,2
|
|
|
|
Radio OFF
|
INACTIVE 0V
|
|
|
|
|
|
Radio ON
|
ACTIVE 12V
|
|
|
|
|
|
|
|
|
|
|
|
|
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
|
INACTIVE 0V
|
If nominal value is attained and
TECH 1 displayed active with radio OFF:
|
|
|
|
· Radio
defective
|
|
· Release and disconnect wiring harness
plug from antenna amplifier U18
|
INACTIVE 0V
|
If nominal
value is attained:
|
|
|
|
· Antenna amplifier U18 defective
|
|
· Connect wiring harness plug to antenna
amplifier U18 again
|
|
|
|
· Disconnect telephone plug (if present)
|
INACTIVE 0V
|
If nominal
value is attained:
|
|
|
|
· Telephone defective
|
|
· Disconnect wiring harness plug for CD
changer (if present)
|
INACTIVE 0V
|
If nominal
value is attained:
|
|
|
|
· CD changer defective
|
|
· Ignition OFF
|
|
|
|
· Remove instrument assembly and
disconnect TID wiring harness plug
|
|
|
|
· Using multimeter, measure resistance
of TID wiring harness plug Ter. 8 to ground
|
higher than 1 kW
|
· Lead of TID wiring harness plug Ter. 8
has short circuit to ground
|
|
· Using multimeter, measure resistance
of TID wiring harness plug Ter. 8 to radio wiring harness plug Ter. 7
|
lower than 2 W
|
· Lead of TID wiring harness plug Ter. 8
to radio wiring harness plug Ter. 7 is interrupted
|
|
· Using multimeter, measure voltage at
TID wiring harness plug Ter. 8 to ground
|
lower than 0.5 V
|
· Short circuit to battery voltage in
lead Ter. 8 of TID wiring harness plug
|
|
|
|
If nominal
value is attained:
|
|
|
|
· TID defective
|
|
|
|
|
|
|
|
|
|
|
|
