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1A-6 HEATER AND VENTILATION
1
Diagnostic Trouble Code (DTC) Check (Z13DT
Engine Model)
NOTE:
• This checking procedure is available only for Z13DT
engine model with the supplementary heater system.
• If more than two DTCs are detected, only DTC, which has
the highest priority, is indicated. After the DTC is trouble-
shot, DTC, which has the next priority, is indicated.
• The following procedure has to be performed two times.
For the first time, the headlight has to be set at LOW posi-
tion in the Step 7 below. For the second time, the head-
light has to be set at HIGH position in the same step.
Otherwise, it cannot be judged whether the DTC No.111
and 112 are detected or not.
• Be sure that the rear defogger switch is set at the ON
position in the Step 4. Otherwise, the DTC No.101 is indi-
cated even if the system is normal.
1) Remove the glove box from the instrument panel.
2) Set the blower speed selector at the OFF position.
3) Set the temperature selector at the MAX hot position.
4) Set the rear defogger switch at the ON position.
5) Turn the headlight ON.
6) Set the headlight at the LOW position (or HIGH position).
7) Start the engine.
8) Refer to "Diagnostic Trouble Code (DTC) Table (Z13DT
Engine Model)" in this section, and see what DTC is
detected by reading the flashing pattern of the LED (1) in the
supplementary heater controller (2).
2
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