DTC B1324: Lost Communication with Meter [03/2017 - 06/2017]: Procedure

1. Disconnect the K21 combination meter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K21-21 (ES) - Body ground	Always	Below 1 Ω

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   K21-40 (B) - Body ground	Always	11 to 14 V
   K21-39 (IG+) - Body ground	Ignition switch ON	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Disconnect the cable from the negative (-) battery terminal.
2. Disconnect the K21 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K21-36 (TX+) - K21-37 (TX-)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [03/2017 - 06/2017] 

Result: 

NG 

See step  3

1. Disconnect the K2 radio and display receiver assembly connector.
2. Disconnect the K21 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K2-5 (CNH1) - K21-36 (TX+)	Always	Below 1 Ω
   K2-6 (CNL1) - K21-37 (TX-)	Always	Below 1 Ω
   K2-5 (CNH1) or K21-36 (TX+) - Body ground	Always	10 kΩ or higher
   K2-6 (CNL1) or K21-37 (TX-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [03/2017 - 06/2017] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR