Self-Test Right Middle Sensor Malfunction - Geely EC718 2009 Workshop Manual

11-480 Reverse Radar
Yes
Replace the right corner sensor. Refer to
Step 4
Next
Check the reverse radar self-test function to confirm the fault has been fixed.
Step 5

11.14.6.13 Self-test Right Middle Sensor Malfunction

Diagnostic Steps:
Step 1 Carry out the following initial inspection.
Yes
Step 2 Check the wiring harness and connectors.
Reverse Radar Module Harness Connector SO40
1 2 3
8 9 10111213141516
Reverse Radar Module Harness
Connector SO44
EC718/EC718RV EC715/EC715RV 10/2009
4 5 6 7
A C
B D
FE11-6309b
11.14.7.2 Reverse Radar Sensor
(a) Check whether the sensor surface is covered by impurities.
(b) Check whether the sensor surface is damaged or abnormal.
(c) Incorrectly spray the rear bumper will cause excessive paint
covering the sensor surface. check whether this situation
exists.
Is the sensor surface normal?
No
(a) Turn the ignition switch to "OFF" position.
(b) Disconnect the radar control module harness connector
SO40.
(c) Disconnect the right middle sensor SO44.
(d) Test the terminals continuity according to the following table.
SO44 (D)-SO40 (3) Resistance Value
SO44 (C)-SO40 (6) Resistance Value
SO44 (B)-SO40 (12) Resistance Value
SO44 (A)-SO40 (7) Resistance Value
Resistance Between SO44 (D) and A
Reliable Ground
Resistance Between SO44 (C) and A
Reliable Ground
Resistance Between SO44 (B) and A
Reliable Ground
Resistance Between SO44 (A) and A
Reliable Ground
Replacement.
Clean the sensor surface, if necessary,
replace the sensor.
Test Items
Body Electric
Specified
Value
Less than 1 Ω
10 kΩ or
higher