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LOCATION:    1.2 Base Module   >   11 Diagnosis - Diagnostic Trouble Code (DTC) Memory

Diagnosis - Diagnostic Trouble Code (DTC) Memory

Test Preparation for DTC Readout

1. Connect impulse counter scan tool and adapter or HHT to data link connector (X11/4) as shown in section 0.

Connect yellow wire from impulse counter scan tool as follows:
Base module (BM) (N16/1) socket 8
ABS or ABS/ASR control module (N30 or N30/1) socket 6
SPS control module (N49/1) socket 12
ADS control module (N51) socket 11
HFM-SFI control module (N3/4) socket 4

2. Ignition: ON
3. Read DTC memory for BM, ABS or ABS/ASR, SPS, ADS, HFM-SFI control modules.


Hand-Held Tester (HHT) see applicable Service Information in groups 58
and 99

Diagnostic trouble code (DTC) Possible cause Test step/Remedy 1)
No fault in system. In case of complaint: 23 (entire test)
Maximum allowable temperature in module box exceeded 2). 23 15.0
A/C electromagnetic clutch (A9k1) jammed or poly-V-belt broken. 23 13.0, visiually inspect compressor andpoly-v-belt
Poly-V-belt slips. 23 13.0, check poly-v-belt tension
Base module (N16/1) voltage supply output fuse F2, open circuit. 23 8.0
Base module (N16/1) voltage supply output fuse F3, open circuit. 23 9.0
Base module (N16/1) voltage supply output fuse F1, open circuit. 23 6.0, 7.0
Kickdown switch (S16/6) 23 16.0
A/C electromagnetic clutch (A9k1), short circuit. 23 13.0
Module box blower motor (M2/2), short circuit 2). 23 15.0
1) Observe Preparation for Test, see 22.
2) Module box blower motor was phased out of production on model 140 starting M.Y. 1994.