Geely CK Series 2007 Workshop Manual page 236

(3) Tweeter speaker assembly inspection
1
Disconnect speaker connector
2
Check resistance
Notice:
Do not remove the speaker during inspection.
Ω
Standard Value: 4
Abnormal Replace tweeter speaker assembly
NORMAL Check wire harness and connector
(4) Check front speaker assembly
1
Disconnect speaker connector
2
Check resistance
Standard Value: 4Ω
Abnormal: Replace front speaker assembly
Normal: Check wire harness and connector
(5) Check rear speaker assembly
1
Disconnect speaker connector
2
Check resistance
Ω
Standard Value: 4 ¸
Abnormal: Replace rear speaker assembly
Normal: Check wire harness and connector
(6) Check wire harness and connector
Abnormal: Repair or replace wire harness and connector
Normal: Check and replace radio assembly
(7) Check and replace radio assembly (+B, ACC, GND)
(a) Check the continuity between terminals under each operating condition as shown in the table below.
Standard:
Tester connection
GND
(b) Check the voltage between terminals under each operating condition as shown in the table below.
Standard:
Tester Connection
+B - GND
ACC - GND
Normal: Repair or replace wire harness and connector
Abnormal: Check and replace radio assembly
¸
¸
Constant Status
Constant Status
Ignition switch ACC or ON
Condition
Condition
Standard Status
Continuity
Standard Status
10 ～ 14V
10 ～ 14V
229