Yes
Step 6
Check whether other instrument cluster warning sounds are normal.
No
Replace the instrument cluster. Refer to
Instrument Cluster Replacement
Yes
Step 7
Replace the reverse radar control module. Refer to
Reverse Radar Module Replacement
.
Next
Step 8
Verify the repair result.
Next
Step 9
Diagnostic completed.
11.14.6.11 Buzzer Continuously Ring with Gear at R
Diagnostic Steps:
Step 1
Check the reverse radar module buzzer drive circuit.
1 2 3
4 5 6 7
8 9 10111213141516
Reverse Radar Module Harness Connector SO40
FE11-6306b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect the radar control module harness connector
SO40.
(c)
Disconnect the instrument cluster harness connector IP03.
(d)
Measure resistance between the reverse radar harness
connector SO40 terminal No.5 and a reliable ground.
(e)
Turn the ignition switch to "ON" position.
(f)
Measure voltage between the reverse radar harness
connector SO40 terminal No.5 and a reliable ground.
Standard Value:
Test Items
Specified
Conditions
Resistance Between SO40 (5) and A
Reliable Ground
10 kΩ or higher
Voltage Between SO40 (5) and A
Reliable Ground
0 V
Is the value specified value?
No
Yes
Step 2
Check whether the reverse radar control module power supply circuit is normal.
11-476
Reverse Radar
Body Electric
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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