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On-Vehicle Inspection

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
REMOVE IG2 RELAY
1. Remove the engine room No. 1 relay block cover.
2. Remove the IG2 relay from the engine room No. 1 relay block.

INSPECT IG2 RELAY

Measure the resistance of the IG2 relay.

Standard resistance

RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
3 - 5	10 kΩ or higher
3 - 5	Below 1 Ω (when battery voltage is applied to terminals 1 and 2)

If the result is not as specified, replace the relay.

Fig 1: Identifying IG2 Relay Connector Terminals

G05183858

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSTALL IG2 RELAY
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
PERFORM INITIALIZATION
1. Perform initialization (see INITIALIZATION ).
  NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.