412-00-17 Climate Control System — General Information 412-00-17
DIAGNOSIS AND TESTING (CONTINUED)
CONDITIONS
DETAILS/RESULTS/ACTIONS
4 Connect a jumper wire at the relay socket –
A/C switch, connector C19, between pin 5,
circuit 31S-CA66B (BK/RD) and pin 3, circuit
31-CA66B (BK).
• Is the A/C compressor clutch engaged?
Yes
CHECK the relay – A/C switch according to
the Component Test. If necessary INSTALL
a new one. TEST the system for normal
operation.
No
GO TO B17
B17: CHECK THE A/C COMPRESSOR CYCLING SWITCH
1.
2.
Relay – A/C switch
C19
3.
A/C compressor
cycling switch C91
4 Measure the resistance between A/C
compressor cycling switch, connector C91, pin
1 and pin 4, component side.
• Is the resistance less than 2 ohms?
Yes
GO TO B18
No
CHECK the A/C compressor cycling switch;
INSTALL a new one if necessary. TEST the
system for normal operation. If the concern
is not rectified, CHECK the refrigerant cir-
cuit(s) for leakage. TEST the system for
normal operation.
B18: CHECK THE CIRCUIT 31S-CA17 (BK/RD) FOR OPEN
1.
2 Switch on the A/C system and the heater
blower.
E9425 EN 07/2001 2002 Bantam
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