DTC Troubleshooting: B2982 (K and AUTO)
  1. Check for continuity between the following terminals of the heater control unit 32P connector and the dashboard wire harness 12P connector.
    32P:
    12P:
    No. 25
    No. 10
    No. 26
    No. 9
    No. 27
    No. 8

Is there continuity?
YES -
Go to Step 12 .
NO -
Repair open in the wire(s) between the heater control unit and the dashboard wire harness 12P connector.■
  1. Check for continuity between the heater control unit 32P connector terminals as follows.
    From terminal
    To terminals
    25
    26, 27
    26
    27

Is there continuity between any of terminals?
YES -
Repair the short in the wires.■
NO -
Go to Step 13 .
  1. Reconnect the A/C wire harness 12P connector to the dashboard wire harness.
  1. Check the same terminals for continuity between the heater control unit 32P connector terminals.
Is there continuity between any of terminals?
YES -
Repair the short in the A/C wire harness.■
NO -
Go to Step 15 .
  1. Reconnect the heater control unit 32P connector.
  1. Turn the ignition switch ON (II).