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Home >> Jeep >> 1996 >> Grand Cherokee Limited, 5.2 Y >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Alternator & Regulator) >> Self-Diagnostic Tests >> Test TC-1A, Checking System For Trouble Codes

Test TC-1A, Checking System For Trouble Codes

WARNING: This page is about a different car, the 1994 Plymouth Sundance, 1994 Plymouth Acclaim, 1994 Dodge Spirit, 1994 Dodge Shadow, and 1994 Chrysler LeBaron. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION in appropriate G - TESTS W/ CODES article. in the ENGINE PERFORMANCE Section.
  1. Attempt to start engine. If necessary, crank engine for up to 10 seconds. Connect DRB to data link connector. Record DRB trouble codes. If DRB screen shows no response, go to TEST NS-6A, CORRECTING NO RESPONSE CONDITION in appropriate G - TESTS W/ CODES article in the ENGINE PERFORMANCE Section. Listed below.
  2. If trouble codes are displayed, see DRB TROUBLE CODES table for charging system trouble codes, or see TEST TC-1A, CHECKING SYSTEM FOR TROUBLE CODES in appropriate G - TESTS W/ CODES article listed below in the ENGINE PERFORMANCE Section for all other trouble codes.

If trouble codes are not displayed, proceed to TEST CH-1A, CHECKING CHARGING SYSTEM NO TROUBLE CODES .

DRB TROUBLE CODES

DRB Display Go To Test:
BATTERY TEMP. SENSOR VOLTS OUT OF LIMIT (1) *
CHARGING SYSTEM VOLTAGE LOW TEST TC-38A 
CHARGING SYSTEM VOLTAGE HIGH TEST TC-39A 
ALTERNATOR FIELD NOT SWITCHING PROPERLY TEST TC-40A 
(1) Replace powertrain control module.