Tredia L4-1795cc 1.8L SOHC Turbo (1984)
1992-95 models: 1992-95 Montero Service Manual, Vol. 1.
1992-94 models: Pages 35C-3 thru 35C-43.
Circuit diagrams for 1992-93 models are in Vol 2, Pages 302 and 303. Circuit diagrams for 1994 are in Vol. 2, Pages 306-309.
1995 models: Pages 35C-44 thru 35C-65.
Circuit diagrams for 1995 models are in Vol. 2, Pages 310-315.
1996 models: 1996 Montero Service Manual, Vol. 1, Pages 35C-3 thru 35C-24. Circuit diagrams for 1996 models are in Vol. 2, Pages 188-193.
Data Link Connector Location: under instrument panel, driver side. See page 35C-7 in the 1992-95 manual, page 35C-4 in the 1996 manual.
Technical Service Bulletins:
1992 models:
TSB-92-35-007 corrects DTC # 52. The DTC should be # 53.
1992-95 models:
TSB-95-35-007 corrects the troubleshooting procedure for DTC # 51.
TSB-96-35-005 explains normal operating characteristics of the ABS system during system check thud, whine, pedal vibration, and scraping sound.
TSB-96-35-008 revises some diagnostic trouble codes and adds others.
1995 models:
TSB-96-35-003 describes wiring changes affecting 1995 Monteros built beginning February, 1995. The changes affect wiring diagrams in the service
manual.
1996 models:
TSB-96-35-008 revises some diagnostic trouble codes and adds others.
Notes:
1.
Use scan tool to see trouble codes. Or, ground data link connector terminal # 1 and read codes from flashing ABS lamp on dash. Trouble code
numbers for models up to 94 are on page 35C-9 in the 92-95 manual. For 95 models, the trouble codes are on page 35C-47. Trouble codes for 96
models are on page 35C-6 of the 96 manual.
2.
Monteros up to 1994 have 110 teeth on each ABS rotor. 1995-96 models have 47 teeth. HU solenoid internal resistance up to 1994 is 1.0 - 1.3
ohms. For 1995 the values are 3.8 ohms out and 8.2 ohms in. For 1996 the values are 4.7 ohms out and 9.0 ohms in.
Sigma - 88-90
System Type: Nippon 1st Generation 4 channel FWD ABS.
Diagnostic Page References: 1989 or 1990 Service Manual, Vol. 1, Pages 5-8 thru 5-23. Circuit diagrams are in 1989 Vol. 2, pages 8-121 thru 8-125 and
1990 Vol. 2, pages 102-106.
Data Link Connector Location: The diagnostic connector in the Sigma glove box is not used for ABS testing.
Technical Service Bulletins:
1988 Models:
TSB-88-05-004 describes changes in the ABS ECU.
Notes:
1.
Use ABS Tester MB991131-02 or an -01 that has been upgraded to -02 specs as evidenced by a silver label inside the ABS Tester box.
2.
The Hydraulic Unit Checker MB991131 shown as a special tool in the Sigma V6 Service Manual is not available.
3.
The scan tool (MUT-II) cannot be used for ABS electrical diagnosis on Sigma models.
4.
If brake fluid is low, the hydraulic unit may be leaking. Evidence of leakage is hydraulic fluid on the outside of the HU housing or at the
connections where brake lines enter the HU.
